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Muscle thickness correlates to muscle cross sectional area in the assessment of strength training induced hypertrophy

Franchi, Martino V.; Longo, Stefano; Mallinson, Joanne E.; Quinlan, Jonathan I.; Taylor, Tariq; Greenhaff, Paul L.; Narici, Marco V.

Authors

Martino V. Franchi

Stefano Longo

Joanne E. Mallinson joanne.mallinson@nottingham.ac.uk

Jonathan I. Quinlan

Tariq Taylor

Paul L. Greenhaff paul.greenhaff@nottingham.ac.uk

Marco V. Narici



Abstract

Aim: Muscle thickness (MT) measured by ultrasound has been used to estimate cross-sectional area (measured by CT and MRI) at a single time-point. We tested whether MT could be used as a valid marker of MRI determined muscle anatomical cross-sectional area (ACSA) and volume changes following resistance training (RT).
Methods: Nine healthy, young, male volunteers (24±2 y.o., BMI 24.1±2.8 kg/m2) had vastus lateralis (VL) muscle volume (VOL) and ACSA mid (at 50% of femur length, FL) assessed by MRI, and VL MT measured by ultrasound at 50% FL. Measurements were taken at baseline and after 12 weeks of isokinetic RT. Differences between baseline and post-training were assessed by Student’s paired t-test. The relationships between MRI and ultrasound measurements were tested by Pearson’s correlation.
Results: After RT, MT increased by 7.5±6.1% (p

Journal Article Type Article
Journal Scandinavian Journal of Medicine & Science in Sports
Print ISSN 0905-7188
Electronic ISSN 1600-0838
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 28
Issue 3
APA6 Citation Franchi, M. V., Longo, S., Mallinson, J. E., Quinlan, J. I., Taylor, T., Greenhaff, P. L., & Narici, M. V. (in press). Muscle thickness correlates to muscle cross sectional area in the assessment of strength training induced hypertrophy. Scandinavian Journal of Medicine and Science in Sports, 28(3), https://doi.org/10.1111/sms.12961
DOI https://doi.org/10.1111/sms.12961
Keywords MRI ; ACSA ; Ultrasound; Volume
Publisher URL http://onlinelibrary.wiley.com/doi/10.1111/sms.12961/abstract
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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