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. 2023 Feb 9;14:32. doi: 10.1186/s13244-023-01374-0

Fig. 1.

Fig. 1

Axial T1w images showing ROIs of the different anatomical compartments. a 1 rectus femoris, 2 vastus medialis, 3 vastus lateralis, 4 vastus intermedius, 5 sartorius, 6 gracilis, 7 biceps femoris, 8 semitendinosus, 9 semimembranosus. b 1 Medial gastrocnemius, 2 lateral gastrocnemius, 3 soleus, 4 anterior tibialis, 5 peroneal muscles, 6 posterior tibialis, 7 flexor digitorum longus, 8 flexor hallucis longus. c 1 Medial head of triceps brachii, 2 lateral head of triceps brachii, 3 long head of triceps brachii, 4 biceps brachii, and 5 coraco brachialis