Christer Malm

@umu.se

Department of Community Medicine and Rehabilitation, Section of Sports Medicine
Umeå University

Christer Malm


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https://researchid.co/christermalm

RESEARCH, TEACHING, or OTHER INTERESTS

Physiology (medical), Medical Laboratory Technology, Multidisciplinary, Molecular Biology
55

Scopus Publications

5841

Scholar Citations

35

Scholar h-index

53

Scholar i10-index

Scopus Publications

  • Fine-needle muscle microbiopsy: a feasible and well-tolerated alternative for skeletal muscle sampling
    Johan Jakobsson, Karin Strigård, Apostolos Theos, Michael Svensson, Christer Malm
    Frontiers in Physiology, 2026
    Background Conventional muscle biopsy techniques, such as the Bergström method, require large tissue samples and skin incisions. Fine-needle muscle microbiopsy offers a minimally invasive alternative, but data on tolerability are lacking. We aimed to present a refined minimally-invasive muscle microbiopsy protocol using a 20-gauge needle with topical anaesthesia and compare perceived pain with routine venipuncture. Methods Twenty-six healthy adults (50% female) underwent vastus lateralis microbiopsy using a 20-gauge needle (0.9 mm). Pain was assessed immediately after the microbiopsy and a venous blood draw using a 21-gauge needle, with the visual analogue scale (VAS). Procedures were randomized. Results Seventy-eight microbiopsies were successfully obtained. Mean pain scores were low for both procedures (microbiopsy: 1.0 ± 0.9; venipuncture: 1.4 ± 1.2) with no significant difference (P = 0.311). Most participants reported minimal or low discomfort (VAS ≤3) from the microbiopsy. Conclusion Fine-needle muscle microbiopsy using a 20-gauge needle is well tolerated, with pain comparable to routine venipuncture. This approach substantially reduces invasiveness compared to traditional biopsies while providing adequate material for proteomic analysis. These findings support its ethical and practical application in sensitive populations and longitudinal research.
  • Health-enhancing physical activity induce beneficial skeletal muscle mitochondrial adaptations in individuals with rheumatoid arthritis
    Emily Shorter, Elena Ossipova, Estela Santos Alves, Helena Idborg, Jone Vanluyten, Eva Kosek, Liu Zhengye, Birgitta Nordgren, Cecilia Fridén, Ferdinand von Walden, Christer Malm, Per-Johan Jakobsson, Christina H. Opava, Marina Korotkova, Ingrid E. Lundberg, Johanna T. Lanner
    Clinical Rheumatology, 2025
    Objective Rheumatoid arthritis (RA) is a common chronic systemic inflammatory disease that causes musculoskeletal impairments and fatigue. Physical activity is recommended for individuals with RA, and health-enhancing physical activity (HEPA) has been shown to improve health perception and physical fitness in this group. However, the molecular adaptations of skeletal muscle in response to an exercise intervention are still unexplored in individuals with RA. This study aimed to assess the skeletal muscle response to a 2-year HEPA intervention in individuals with RA. Methods Thirteen individuals with RA (65 ± 2 years old, 13 ± 2 years disease duration) participated. The 2-year HEPA intervention involved 150 min of weekly moderately intense aerobic activity and twice-weekly circuit training. Practical and theoretical physiotherapist support was available the first year, but not the second year. Skeletal muscle biopsies, functional assessments, and mass spectrometry-based proteomics analysis were conducted. Results Compliance was high the first year but dropped significantly the second year. Functional improvements in strength, endurance, and lower extremity muscle function (TST) were observed after year 1. Proteomics analysis revealed significant enrichment of mitochondrial proteins including COX8A, citrate synthase, M2OM, NDUFA6, NDUFS2, and VDAC3 after year 1, indicating positive muscle adaptations. However, these changes regressed to baseline levels by year 2. Conclusion HEPA can induce beneficial mitochondrial adaptations in skeletal muscle of individuals with RA. However, insufficient compliance and progression in HEPA exercise load led to a reversal of these adaptations. Continuous support and motivation are crucial for maintaining and progressing exercise levels and muscle health in individuals with RA. Key points• Health-enhancing physical activity (HEPA) can induce beneficial mitochondrial adaptations in the skeletal muscle proteome of individuals with RA.• Positive effects on mitochondrial protein levels aligned with the participants compliance to the HEPA intervention.• Results emphasizes that sustaining and progressing exercise regimen is crucial to maintain beneficial adaptations for individuals with RA.
  • Can response to ADHD medication be predicted?
    Maria M. Lilja, Paul Lichtenstein, Eva Serlachius, Jyoti Bhagia, Kerstin Malmberg, Christer Malm, Fabian Lenhard, Linda Halldner
    European Child and Adolescent Psychiatry, 2025
    Predictors for the pharmacological effect of ADHD medication in children and adolescents are lacking. This study examined clinically relevant factors in a large (N = 638) prospective cohort reflecting real-world evidence. Children and adolescents aged 6–17 diagnosed with ADHD were evaluated at baseline and three months following ADHD medication initiation. The outcome was measured as a reduction in total SNAP-IV (Swanson Nolan and Pelham teacher and parent rating scale) score at three months compared to baseline. Outcome groups were defined as Responders (≥ 40% reduction), Intermediate Responders (≥ 20 to < 40% reduction), and Non-responders (< 20% reduction). Included independent variables were the Autism Spectrum Questionnaire (ASSQ), the Spence Children’s Anxiety Scale (SCAS), the Pediatric Side Effect Checklist (P-SEC), anthropometrics measures, geographical region, relative age, Children´s Global Assessment Scale (CGAS), Intelligence quotient (IQ), pharmacological treatment initiation month, ADHD symptom severity, ADHD presentation, and psychotic-like experiences. Multinomial logistic regression suggested that ADHD symptom severity, region, relative age, and stating ADHD medication at three-month follow-up were associated with the response outcome group. However, when validating the data with Bootstrap Forest, none of the variables were significant. Thus, in our large naturalistic cohort, we could not identify any clinically relevant factors that reliably predict pharmacological treatment outcomes. Trial registration: NCT02136147.
  • Predicting competitive alpine skiing performance by multivariable statistics—the need for individual profiling
    Robert Nilsson, Apostolos Theos, Ann-Sofie Lindberg, Christer Malm
    Frontiers in Sports and Active Living, 2024
    IntroductionPredicting competitive alpine skiing performance using conventional statistical methods has proven challenging. Many studies assessing the relationship between physiological performance and skiing outcomes have employed statistical methods of questionable validity. Furthermore, the reliance on Fédération Internationale de Ski (FIS) points as a performance outcome variable presents additional limitations due to its potential unreliability in reflecting short-term, sport-specific performance. These factors complicate the selection of appropriate tests and the accurate prediction of competitive outcomes.MethodThis study aimed to evaluate the predictive power of a generalized physiological test battery for alpine skiing performance, as measured by FIS points, utilizing multivariable data analysis (MVDA). Physiological test results from a total of twelve (n = 12) world-class female skiers were included in the analysis.ResultsThe result on goodness of regression (R2) and goodness of prediction (Q2) in this study indicate that valid Orthogonal Projection to Latent Structures (OPLS) models for both Slalom and Giant Slalom can be generated (R2 = 0.39 to 0.40, Q2 = 0.21 to 0.15), but also that competition performance still cannot be predicted at a group level (low Q2). In contrast, higher predictive power of competitive performance was achieved on an individual level using the same data (R2 = 0.88 to 0.99 and Q2 = 0.64 to 0.96).DiscussionThe findings of this investigation indicate that the selected tests employed in this study exhibit limited generalizability for the assessment of elite alpine skiers, as the predictive value of specific physiological parameters on competitive performance appears to be highly athlete-dependent.
  • Darwinian Selection Discriminates Young Athletes: the Relative Age Effect in Relation to Sporting Performance
    Johan Jakobsson, A. Lennart Julin, Glenn Persson, Christer Malm
    Sports Medicine Open, 2021
    Background The relative age effect (RAE) is a worldwide phenomenon, allowing sport participation and elite selection to be based on birthdate distribution. Negative consequences include both a narrow, non-optimal elite selection and negative health effects on entire populations. This study investigated the RAE and athletic performance in multiple individual sports in Sweden. Methods Birthdates of athletes born between the years 1922 and 2015 were collected across 4-month periods (tertiles: T1, T2, T3) from cross-country skiing (N = 136,387), orienteering (N = 41,164), athletics (N = 14,503), alpine skiing (N = 508), E-sports (N = 47,030), and chess (N = 4889). In total, data from 244,560 athletes (women: N = 79,807, men: N = 164,753) was compared to the complete parent population of 5,390,954 births in Sweden during the same years. Chi-squared statistics compared parent and cohort distributions stratified by sport, sex, and age. Results A significantly skewed distribution of birthdates was present in all sports, both sexes, and most age groups. The largest RAEs are seen in children where T1 often constitutes 40–50% and T3, 20–25% of the population. In E-sports, an inversed RAE was seen in adults. In most investigated sports, birthdate distribution was correlated to performance in children but not in adults. Conclusions Skewed birthdate distributions were consistently prevalent in all investigated individual sports in Sweden, both physically demanding and cognitive/skill-based. As sport participation is related to total level of physical activity, both present and future, failing to address the RAE issue at an early age will result not only in a narrow and arbitrary selection for adult elite athletes but also in a negative impact on public health.
  • Effects of Different Types of Lower Body Resistance Exercise on Upper-body Strength in Men and Women, with Special Reference to Anabolic Hormones
    International Journal of Exercise Science, 2021
  • In vitro phagocytosis of liquid-stored red blood cells requires serum and can be inhibited with fucoidan and dextran sulphate
    Andreas Hult, Fredrik Toss, Christer Malm, Per‐Arne Oldenborg
    Vox Sanguinis, 2020
    Background and ObjectivesRed‐blood‐cells (RBCs) undergo structural and metabolic changes with prolonged storage, which ultimately may decrease their survival after transfusion. Although the storage‐induced damage to RBCs has been rather well described biochemically, little is known about the mechanisms underlying the recognition and rapid clearance of the damaged cells by macrophages.Materials and MethodsWe, here, used a murine model for cold (+4°C) RBC storage and transfusion. Phagocytosis of human or murine RBCs, liquid stored for 6‐8 weeks or 10–14 days, respectively, was investigated in murine peritoneal macrophages.ResultsThe effects of storage on murine RBCs resembled that described for stored human RBCs with regard to decreased adenosine triphosphate (ATP) levels, accumulation of microparticles (MPs) during storage, and RBC recovery kinetics after transfusion. Under serum‐free conditions, phagocytosis of stored human or murine RBCs in vitro was reduced by 70–75%, as compared with that in the presence of heat‐inactivated fetal calf serum (FCS). Human serum promoted phagocytosis of stored human RBCs similar to that seen with FCS. By adding fucoidan or dextran sulphate (blockers of scavenger receptors class A (SR‐A)), phagocytosis of human or murine RBCs was reduced by more than 90%. Phagocytosis of stored human RBCs was also sensitive to inhibition by the phosphatidylinositol 3 kinase‐inhibitor LY294002, the ERK1/2‐inhibitor PD98059, or the p38 MAPK‐inhibitor SB203580.ConclusionRBCs damaged during liquid storage may be recognized by macrophage SR‐A and serum‐dependent mechanisms. This species‐independent recognition mechanism may help to further understand the rapid clearance of stored RBCs shortly after transfusion.
  • Potential effects of long-term abuse of anabolic androgen steroids on human skeletal muscle
    Ji-Guo Yu, Andreas Isaksson, Anton Rova, Yelverton Tegner, Anders Eriksson, Christer Malm
    Journal of Sports Medicine and Physical Fitness, 2020
    BACKGROUND: We have previously evaluated muscle functions and morphology in power athletes of long term (5 to15 years) abuse of anabolic androgen steroids (AAS; Doped) and in clean power athletes (Clean), and observed significant improvements in both muscle morphology and muscle functions in Doped. To our knowledge, the effects of long term AAS abuse on human muscle protein profile have never been studied. METHODS: The study examined further the muscle biopsies using a two-dimensional difference gel electrophoresis (2D DIGE) for proteomic screening and protein expression. Cellular localization/distribution of specific proteins identified by proteomic analysis was examined using immunohistochemistry (IHC). RESULTS: Different protein profiles were observed between Doped and Clean, and a valid orthogonal projection of latent structure discriminant analysis model was built (N.=16, x=5, R2=0.88/Q2=0.84, P=0.0005), which separated Doped from Clean. Liquid chromatography followed by tandem spectrometry identified 14 protein spots (representing nine different proteins) of significant difference in relative quantity (P<0.05), of which nine spots were down-regulated in Doped compared with Clean. IHC revealed no significant alteration in cellular localization in phosphoglucomutase-1 and heat shock protein beta-1, but indeed in two reference proteins desmin and F-actin in Doped. CONCLUSIONS: Long term abuse of AAS in combination with training is potentially associated with alterations in skeletal muscle protein profile and protein expression, and structural proteins rather than non-structural proteins are preferentially affected in cellular localization/distribution.
  • Exercise modulates the levels of growth inhibitor genes before and after multiple sclerosis
    Seyed Houtan Shahidi, Mohammad Reza Kordi, Hamid Rajabi, Christer Malm, Farhan Shah, Amirhossein Saffar Kohneh Quchan
    Journal of Neuroimmunology, 2020
  • Physical activity and sports—real health benefits: A review with insight into the public health of sweden
    Christer Malm, Johan Jakobsson, Andreas Isaksson
    Sports, 2019
    Positive effects from sports are achieved primarily through physical activity, but secondary effects bring health benefits such as psychosocial and personal development and less alcohol consumption. Negative effects, such as the risk of failure, injuries, eating disorders, and burnout, are also apparent. Because physical activity is increasingly conducted in an organized manner, sport’s role in society has become increasingly important over the years, not only for the individual but also for public health. In this paper, we intend to describe sport’s physiological and psychosocial health benefits, stemming both from physical activity and from sport participation per se. This narrative review summarizes research and presents health-related data from Swedish authorities. It is discussed that our daily lives are becoming less physically active, while organized exercise and training increases. Average energy intake is increasing, creating an energy surplus, and thus, we are seeing an increasing number of people who are overweight, which is a strong contributor to health problems. Physical activity and exercise have significant positive effects in preventing or alleviating mental illness, including depressive symptoms and anxiety- or stress-related disease. In conclusion, sports can be evolving, if personal capacities, social situation, and biological and psychological maturation are taken into account. Evidence suggests a dose–response relationship such that being active, even to a modest level, is superior to being inactive or sedentary. Recommendations for healthy sports are summarized.
  • Maximal Lactate Steady State and Lactate Thresholds in the Cross-Country Skiing Sub-Technique Double Poling
    Johan Jakobsson, Christer Malm
    International Journal of Exercise Science, 2019
  • Physiological Demands of Competitive Sprint and Distance Performance in Elite Female Cross-Country Skiing
    Magnus Carlsson, Tomas Carlsson, Lars Wedholm, Mattias Nilsson, Christer Malm, Michail Tonkonogi
    Journal of Strength and Conditioning Research, 2016
  • Autologous doping with cryopreserved red blood cells - Effects on physical performance and detection by multivariate statistics
    Christer B. Malm, Nelson S. Khoo, Irene Granlund, Emilia Lindstedt, Andreas Hult
    Plos One, 2016
  • Concussed athletes are more prone to injury both before and after their index concussion: A data base analysis of 699 concussed contact sports athletes
    Erik Burman, Jack Lysholm, Pashtun Shahim, Christer Malm, Yelverton Tegner
    BMJ Open Sport and Exercise Medicine, 2016
  • Content validity index and intra- and inter- rater reliability of a new muscle strength/ endurance test battery for Swedish soldiers
    Helena Larsson, Matthias Tegern, Andreas Monnier, Jörgen Skoglund, Charlotte Helander, Emelie Persson, Christer Malm, Lisbet Broman, Ulrika Aasa
    Plos One, 2015
  • Multivariate statistical assessment of predictors of firefighters' muscular and aerobic work capacity
    Ann-Sofie Lindberg, Juha Oksa, Henrik Antti, Christer Malm
    Plos One, 2015
  • High training volumes are associated with a low number of self-reported sick days in elite endurance athletes
    Journal of Sports Science and Medicine, 2014
  • Oxygen uptake at different intensities and sub-techniques predicts sprint performance in elite male cross-country skiers
    Magnus Carlsson, Tomas Carlsson, Magnus Knutsson, Christer Malm, Michail Tonkonogi
    European Journal of Applied Physiology, 2014
  • Prediction of race performance of elite cross-country skiers by lean mass
    Magnus Carlsson, Tomas Carlsson, Daniel Hammarström, Christer Malm, Michail Tonkonogi
    International Journal of Sports Physiology and Performance, 2014
  • Effects of long term supplementation of anabolic androgen steroids on human skeletal muscle
    Ji-Guo Yu, Patrik Bonnerud, Anders Eriksson, Per S. Stål, Yelverton Tegner, Christer Malm
    Plos One, 2014
  • Laboratory or field tests for evaluating firefighters' work capacity?
    Ann-Sofie Lindberg, Juha Oksa, Christer Malm
    Plos One, 2014
  • Self-rated physical loads of work tasks among firefighters
    Ann-Sofie Lindberg, Christer Malm, Juha Oksa, Désirée Gavhed
    International Journal of Occupational Safety and Ergonomics, 2014
  • Time trials predict the competitive performance capacity of junior cross-country skiers
    Magnus Carlsson, Tomas Carlsson, Daniel Hammarström, Christer Malm, Michail Tonkonogi
    International Journal of Sports Physiology and Performance, 2014
  • Scaling maximal oxygen uptake to predict performance in elite-standard men cross-country skiers
    Tomas Carlsson, Magnus Carlsson, Majbritt Felleki, Daniel Hammarström, Daniel Heil, Christer Malm, Michail Tonkonogi
    Journal of Sports Sciences, 2013
  • Field Tests for Evaluating the Aerobic Work Capacity of Firefighters
    Ann-Sofie Lindberg, Juha Oksa, Désirée Gavhed, Christer Malm
    Plos One, 2013
  • Scaling of upper-body power output to predict time-trial roller skiing performance
    Tomas Carlsson, Magnus Carlsson, Daniel Hammarström, Christer Malm, Michail Tonkonogi
    Journal of Sports Sciences, 2013
  • Transfusion of cryopreserved human red blood cells into healthy humans is associated with rapid extravascular hemolysis without a proinflammatory cytokine response
    Andreas Hult, Christer Malm, Per‐Arne Oldenborg
    Transfusion, 2013
  • Exercise-induced muscle damage and inflammation: Re-evaluation by proteomics
    Christer Malm, Ji-Guo Yu
    Histochemistry and Cell Biology, 2012
  • Validation of physiological tests in relation to competitive performances in elite male distance cross-country skiing
    Magnus Carlsson, Tomas Carlsson, Daniel Hammarström, Toomas Tiivel, Christer Malm, Michail Tonkonogi
    Journal of Strength and Conditioning Research, 2012
  • Maximal work capacity and performance depends warm-up procedure and environmental but not inspired air temperatures
    Journal of Exercise Physiology Online, 2012
  • Higher muscle mass but lower gynoid fat mass in athletes using anabolic androgenic steroids
    Anna Nordström, Gabriel Högström, Anders Eriksson, Patrik Bonnerud, Yelverton Tegner, Christer Malm
    Journal of Strength and Conditioning Research, 2012
  • Immunological alterations used to predict infections in response to strenuous physical training
    Örjan Ekblom, Björn Ekblom, Christer Malm
    Military Medicine, 2011
  • Protein differences between human trapezius and vastus lateralis muscles determined with a proteomic approach
    Jenny Hadrévi, Fredrik Hellström, Thomas Kieselbach, Christer Malm, Fatima Pedrosa-Domellöf
    BMC Musculoskeletal Disorders, 2011
  • Effect of local leg cooling on upper limb trajectories and muscle function and whole body dynamic balance
    Hugo Piedrahita, Juha Oksa, Hannu Rintamäki, Christer Malm
    European Journal of Applied Physiology, 2009
  • Evaluation of 2-D DIGE for skeletal muscle: Protocol and repeatability
    Christer Malm, Jenny Hadrevi, Sven‐Anders Bergström, Fatima Pedrosa‐Domellöf, Henrik Antti, Michael Svensson, Lars Frängsmyr
    Scandinavian Journal of Clinical and Laboratory Investigation, 2008
  • Health problems related to working in extreme cold conditions indoors
    Hugo Piedrahita, Juha Oksa, Christer Malm, Hannu Rintamäki
    International Journal of Circumpolar Health, 2008
  • Effects of cooling and clothing on vertical trajectories of the upper arm and muscle functions during repetitive light work
    Hugo Piedrahita, Juha Oksa, Christer Malm, Erja Sormunen, Hannu Rintamäki
    European Journal of Applied Physiology, 2008
  • Infectious episodes before and after a marathon race
    B. Ekblom, Ö. Ekblom, C. Malm
    Scandinavian Journal of Medicine and Science in Sports, 2006
  • Susceptibility to infections in elite athletes: The S-curve
    C. Malm
    Scandinavian Journal of Medicine and Science in Sports, 2006
  • Skeletal muscle morphology in power-lifters with and without anabolic steroids
    Anders Eriksson, Fawzi Kadi, Christer Malm, Lars-Eric Thornell
    Histochemistry and Cell Biology, 2005
  • Physical activity both enhances and depresses the immune system
    Lakartidningen, 2005
  • Exercise immunology: The current state of man and mouse
    Christer Malm
    Sports Medicine, 2004
  • Immune system alteration in response to increased physical training during a five day soccer training camp
    C. Malm, Ö. Ekblom, B. Ekblom
    International Journal of Sports Medicine, 2004
  • Leukocytes, cytokines, growth factors and hormones in human skeletal muscle and blood after uphill or downhill running
    Christer Malm, Bertil Sjödin, Berit Sjöberg, Rodica Lenkei, Per Renström, Ingrid E. Lundberg, Björn Ekblom
    Journal of Physiology, 2004
  • Immune system alteration in response to two consecutive soccer games
    C. Malm, Ö. Ekblom, B. Ekblom
    Acta Physiologica Scandinavica, 2004
  • Exercise immunology: A skeletal muscle perspective
    Exercise Immunology Review, 2002
  • Eccentric contractions leading to DOMS do not cause loss of desmin nor fibre necrosis in human muscle
    Ji-Guo Yu, Christer Malm, Lars-Eric Thornell
    Histochemistry and Cell Biology, 2002
  • Exercise-induced muscle damage and inflammation: Fact or fiction?
    C. Malm
    Acta Physiologica Scandinavica, 2001
  • Effect of eccentric exercise on muscle oxidative metabolism in humans
    BRANDON WALSH, MICHAIL TONKONOGI, CHRISTER MALM, BJ??RN EKBLOM, KENT SAHLIN
    Medicine and Science in Sports and Exercise, 2001
  • Immunological changes in human skeletal muscle and blood after eccentric exercise and multiple biopsies
    Christer Malm, Pernilla Nyberg, Marianne Engström, Bertil Sjödin, Rodica Lenkei, Björn Ekblom, Ingrid Lundberg
    Journal of Physiology, 2000
  • Effects of ubiquinone-10 supplementation on physical performance in humans
    Coenzyme Q Molecular Mechanisms in Health and Disease, 2000
  • Effects of eccentric exercise on the immune system in men
    Christer Malm, Rodica Lenkei, Bertil Sjödin
    Journal of Applied Physiology, 1999
  • Effect of Q10 supplementation on tissue Q10 levels and adenine nucleotide catabolism during high-intensity exercise
    Michael Svensson, Christer Malm, Michail Tonkonogi, Bjǒrn Ekblom, Bertil Sjödin, Kent Sahlin
    International Journal of Sport Nutrition, 1999
  • Effects of ubiquinone-10 supplementation and high intensity training on physical performance in humans
    C. MALM, M. SVENSSON, B. EKBLOM, B. SJÖDIN
    Acta Physiologica Scandinavica, 1997
  • Supplementation with ubiquinone-10 causes cellular damage during intense exercise
    C. MALM, M. SVENSSON, B. SJÖBERG, B. EKBLOM, B. SJÖDIN
    Acta Physiologica Scandinavica, 1996

RECENT SCHOLAR PUBLICATIONS

  • Fine-needle muscle microbiopsy: a feasible and well-tolerated alternative for skeletal muscle sampling
    J Jakobsson, K Strigård, A Theos, M Svensson, C Malm
    Frontiers in Physiology 17, 1783535 , 2026
    2026
  • The Association Between Sleep Duration and Sports Injury Risk in Athletes: A Structured Litterature Review and Meta-Analysis
    R Tawfeeq, CB Malm
    2025
  • Health-enhancing physical activity induce beneficial skeletal muscle mitochondrial adaptations in individuals with rheumatoid arthritis
    E Shorter, E Ossipova, ES Alves, H Idborg, J Vanluyten, E Kosek, ...
    Clinical Rheumatology, 1-13 , 2025
    2025
  • Can response to ADHD medication be predicted?
    MM Lilja, P Lichtenstein, E Serlachius, J Bhagia, K Malmberg, C Malm, ...
    European Child & Adolescent Psychiatry 34 (8), 2431-2442 , 2025
    2025
    Citations: 4
  • Predicting competitive alpine skiing performance by multivariable statistics—the need for individual profiling
    R Nilsson, A Theos, AS Lindberg, C Malm
    Frontiers in Sports and Active Living 6, 1505482 , 2025
    2025
    Citations: 11
  • Sluta välja bort barn som inte tros platsa i A-laget
    K Redelius, M Börjesson, Ö Ekblom, J Fahlén, H Gustafsson, ...
    Dagens nyheter., A4-A4 , 2024
    2024
    Citations: 2
  • Darwinian selection discriminates young athletes: The relative age effect in relation to sporting performance
    J Jakobsson, AL Julin, G Persson, C Malm
    Sports Medicine-Open 7 (1), 16 , 2021
    2021
    Citations: 65
  • Effects of different types of lower body resistance exercise on upper-body strength in men and women, with special reference to anabolic hormones
    J Jakobsson, A Theos, C Malm
    International journal of exercise science 14 (3), 1052 , 2021
    2021
    Citations: 9
  • Lack of predictive power in commonly used tests for performance in alpine skiing
    R Nilsson, A Theos, AS Lindberg, RA Ferguson, C Malm
    Sports Medicine International Open 5 (01), E28-E36 , 2021
    2021
    Citations: 7
  • Methods for the detection of autologous blood-doping
    M Christer, K Nelson
    US Patent App. 16/976,936 , 2020
    2020
  • In vitro phagocytosis of liquid‐stored red blood cells requires serum and can be inhibited with fucoidan and dextran sulphate
    A Hult, F Toss, C Malm, PA Oldenborg
    Vox Sanguinis 115 (8), 647-654 , 2020
    2020
    Citations: 7
  • Effects of a two-year health-enhancing physical activity program on skeletal muscle protein profiles in people with rheumatoid arthritis
    E Ossipova, H Idborg, C Fridén, PJ Jakobsson, E Kosek, C Malm, ...
    2020
  • Detection of autologous blood doping
    C Malm, I Granlund, M Hall, P Lindén, M Ericsson, JI Langridge, ...
    medRxiv, 2020.07. 04.20146217 , 2020
    2020
    Citations: 2
  • Physical activity during the coronavirus (COVID-19) pandemic: prevention of a decline in metabolic and immunological functions
    J Jakobsson, C Malm, M Furberg, U Ekelund, M Svensson
    Frontiers in sports and active living 2, 57 , 2020
    2020
    Citations: 287
  • Potential effects of long-term abuse of anabolic androgen steroids on human skeletal muscle.
    JG Yu, A Isaksson, A Rova, Y Tegner, A Eriksson, C Malm
    The Journal of Sports Medicine and Physical Fitness 60 (7), 1040-1048 , 2020
    2020
    Citations: 5
  • Exercise modulates the levels of growth inhibitor genes before and after multiple sclerosis
    SH Shahidi, MR Kordi, H Rajabi, C Malm, F Shah, ASK Quchan
    Journal of neuroimmunology 341, 577172 , 2020
    2020
    Citations: 40
  • Physical activity and sports—real health benefits: a review with insight into the public health of Sweden
    C Malm, J Jakobsson, A Isaksson
    Sports 7 (5), 127 , 2019
    2019
    Citations: 972
  • Maximal lactate steady state and lactate thresholds in the cross-country skiing sub-technique double poling
    J Jakobsson, C Malm
    International journal of exercise science 12 (2), 57 , 2019
    2019
    Citations: 21
  • Physical activity and sports—real health benefits: A review with insight into the public health of Sweden. Sports, 7 (5), 127
    C Malm, J Jakobsson, A Isaksson
    2019
    Citations: 105
  • Individual Profiling for Prediction of Competitive Performance in Alpine Skiing
    R Nilsson, A Theos, AS Lindberg, RA Ferguson, CB Malm
    2019

MOST CITED SCHOLAR PUBLICATIONS

  • Physical activity and sports—real health benefits: a review with insight into the public health of Sweden
    C Malm, J Jakobsson, A Isaksson
    Sports 7 (5), 127 , 2019
    2019
    Citations: 972
  • Immunological changes in human skeletal muscle and blood after eccentric exercise and multiple biopsies
    C Malm, P Nyberg, M Engström, B Sjödin, R Lenkei, B Ekblom, I Lundberg
    The Journal of physiology 529 (Pt 1), 243 , 2000
    2000
    Citations: 546
  • Leukocytes, cytokines, growth factors and hormones in human skeletal muscle and blood after uphill or downhill running
    C Malm, B Sjödin, B Sjöberg, R Lenkei, P Renström, IE Lundberg, ...
    The Journal of physiology 556 (3), 983-1000 , 2004
    2004
    Citations: 468
  • Exercise‐induced muscle damage and inflammation: fact or fiction?
    C Malm
    Acta Physiologica Scandinavica 171 (3), 233-239 , 2001
    2001
    Citations: 294
  • Physical activity during the coronavirus (COVID-19) pandemic: prevention of a decline in metabolic and immunological functions
    J Jakobsson, C Malm, M Furberg, U Ekelund, M Svensson
    Frontiers in sports and active living 2, 57 , 2020
    2020
    Citations: 287
  • Eccentric contractions leading to DOMS do not cause loss of desmin nor fibre necrosis in human muscle
    JG Yu, C Malm, LE Thornell
    Histochemistry and cell biology 118 (1), 29-34 , 2002
    2002
    Citations: 212
  • Effects of eccentric exercise on the immune system in men
    C Malm, R Lenkei, B Sjodin
    Journal of applied physiology 86 (2), 461-468 , 1999
    1999
    Citations: 173
  • Susceptibility to infections in elite athletes: the S‐curve
    C Malm
    Scandinavian journal of medicine & science in sports 16 (1), 4-6 , 2006
    2006
    Citations: 165
  • Effects of ubiquinone‐10 supplementation and high intensity training on physical performance in humans
    C Malm, M Svensson, B Ekblom, B Sjödin
    Acta Physiologica Scandinavica 161 (3), 379-384 , 1997
    1997
    Citations: 158
  • Infectious episodes before and after a marathon race
    B Ekblom, Ö Ekblom, C Malm
    Scandinavian journal of medicine & science in sports 16 (4), 287-293 , 2006
    2006
    Citations: 155
  • Skeletal muscle morphology in power-lifters with and without anabolic steroids
    A Eriksson, F Kadi, C Malm, LE Thornell
    Histochemistry and cell biology 124 (2), 167-175 , 2005
    2005
    Citations: 150
  • Exercise immunology: the current state of man and mouse
    C Malm
    Sports Medicine 34 (9), 555-566 , 2004
    2004
    Citations: 128
  • Content validity index and intra-and inter-rater reliability of a new muscle strength/endurance test battery for Swedish soldiers
    H Larsson, M Tegern, A Monnier, J Skoglund, C Helander, E Persson, ...
    PloS one 10 (7), e0132185 , 2015
    2015
    Citations: 122
  • Immune system alteration in response to two consecutive soccer games
    C Malm, Ö Ekblom, B Ekblom
    Acta physiologica scandinavica 180 (2), 143-155 , 2004
    2004
    Citations: 122
  • Effects of long term supplementation of anabolic androgen steroids on human skeletal muscle
    JG Yu, P Bonnerud, A Eriksson, PS Stål, Y Tegner, C Malm
    PloS one 9 (9), e105330 , 2014
    2014
    Citations: 118
  • Effect of eccentric exercise on muscle oxidative metabolism in humans
    B Walsh, M Tonkonogi, C Malm, B Ekblom, K Sahlin
    Medicine & Science in Sports & Exercise 33 (3), 436-441 , 2001
    2001
    Citations: 108
  • Physical activity and sports—real health benefits: A review with insight into the public health of Sweden. Sports, 7 (5), 127
    C Malm, J Jakobsson, A Isaksson
    2019
    Citations: 105
  • Supplementation with ubiquinone-10 causes cellular damage during intense exercise.
    C Malm, M Svensson, B Sjöberg, B Ekbolm, B Sjödin
    1996
    Citations: 94
  • Field tests for evaluating the aerobic work capacity of firefighters
    AS Lindberg, J Oksa, D Gavhed, C Malm
    PLOS one 8 (7), e68047 , 2013
    2013
    Citations: 84
  • High training volumes are associated with a low number of self-reported sick days in elite endurance athletes
    S Mårtensson, K Nordebo, C Malm
    Journal of sports science & medicine 13 (4), 929 , 2014
    2014
    Citations: 79