Cited by 42Cardiovascular and exercise physiologyMuscle Physiology and DisordersMuscle metabolism and nutrition

Variability in skeletal muscle fibre characteristics during repeated muscle biopsy sampling in human vastus lateralis

Nederveen, Joshua P., Ibrahim, George, Fortino, Stephen A., Snijders, Tim, Kumbhare, Dinesh, Parise, Gianni·2020·Applied Physiology, Nutrition, and Metabolism

Abstract

The percutaneous muscle biopsy procedure is an invaluable tool for characterizing skeletal muscle and capillarization. Little is known about methodological or biological variation stemming from the technique in heterogeneous muscle. Five muscle biopsies were taken from the vastus lateralis of a group of young men (n = 29, 22 ± 1 years) over a 96-h period. We investigated the repeatability of fibre distribution, indices of muscle capillarization and perfusion, and myofibre characteristics. No differences between the biopsies were reported in myofibre type distribution, cross-sectional area (CSA), and perimeter. Capillary-to-fibre perimeter exchange index and individual capillary-fibre contacts were unchanged with respect to the location of the muscle biopsy and index of capillarization. The variability in the sampling distribution of fibre type specific muscle CSA increased when fewer than 150 muscle fibres were quantified. Variability in fibre type distribution increased when fewer than 150 muscle fibres were quantified. Myofibre characteristics and indices of capillarization are largely consistent throughout the vastus lateralis when assessed via the skeletal muscle biopsy technique. Novelty Markers of muscle capillarization and perfusion were unchanged across multiple sites of the human vastus lateralis. Myofibre characteristics such as muscle cross-sectional area, perimeter, and fibre type distribution were also unchanged. Variation of muscle CSA was higher when fewer than 150 muscle fibres were quantified.

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Crossref · 10.1139/apnm-2019-0263

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  • The variation in observed prepost correlations may reflect small differences in biopsy site, tissue handling and weighing, muscle fiber-type composition, and/or individual differences in substrate utilization.

    “This variation may re fl ect small differences in biopsy site, tissue handling and weighing, muscle fi ber-type composition, and/or individual differences in substrate utilization (81 -83).”

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Authors
Nederveen, J. P., Ibrahim, G., Fortino, S. A., Snijders, T., Kumbhare, D., & Parise, G.
Affiliations
  • McMaster University (CA)
  • Virginia Commonwealth University (US)
  • Maastricht University (NL)
Corresponding author
  • Snijders, Tim
  • Parise, Gianni
Venue
Applied Physiology, Nutrition, and Metabolism
Published
2020-04
Volume
45
Issue
4
Pages
368-375
ISSN
  • 1715-5312 (ISSN-L)
  • 1715-5320
OpenAlex
W3012691608
Cited by
42
References
33
Citations by year
2026: 3 · 2025: 12 · 2024: 7 · 2023: 6 · 2022: 4 · 2021: 7 · 2020: 3
FWCI
5.53
Type
journal article
Language
en
Open access
closed
Locations
  • Applied Physiology, Nutrition, and Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Research Publications (Maastricht University) (submittedVersion)
Topics
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
Keywords
vastus lateralis, fiber type distribution, muscle capillarization, muscle blood flow, sample size, repeatability
MeSH terms
Biopsy, Needle, Humans, Immunohistochemistry, Male, Muscle Fibers, Skeletal, Young Adult

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