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. 2023 Apr 8;123(8):1773–1787. doi: 10.1007/s00421-023-05184-6

Fig. 7.

Fig. 7

Muscle thickness comparison from pre- to post-test in the stretching group (IG1), the hypertrophy training group (IG2) and the control group (CG) in the lateral (a) and medial (b) gastrocnemius. ** indicates a significant increase compared to the control group of p < 0.001, * indicates a significant increase compared to the control group of p < 0.05