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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Muscle Nerve. 2017 Jan 11;55(5):669–675. doi: 10.1002/mus.25393

Table 2.

Quadriceps Muscle Composition

Pre Post % Change P-value
Left Quad (cm2) Muscle 28.2 ± 10 28.5 ± 8 7.3 ± 32 0.90
Fat 8.4 ± 4 9.3 ± 5 12.1 ± 34 0.63
% Fat 23.5 ± 4 24.2 ± 2 4.7 ± 18 0.62
Right Quad (cm2) Muscle 28.2 ± 10 29.9 ± 7 10.1 ± 31 0.48
Fat 9.0 ± 5 9.4 ± 4 14.6 ± 35 0.73
% Fat 23.8 ± 4 23.6 ± 2 0.9 ± 12 0.81

Data are listed as AVG ± SD. Changes in muscle composition after 16 weeks of electrical stimulation training measured as the amount of fat, muscle, and % fat of quadriceps muscle in T1 weighted MRI images (5–7 slices per leg) in 11 participants. % change represents the mean % change of participants.