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. 2018 Feb 8;28(7):2882–2889. doi: 10.1007/s00330-017-5218-9

Fig. 3.

Fig. 3

Grade II muscle tear of the right rectus femoris muscle (blue arrow on the axial proton density fat-saturated image in a) of a 23-year-old professional football player. The injured area demonstrates lower fractional anisotropy (FA) (blue arrow on the FA map in b) than the corresponding healthy contralateral muscle (white arrow on the FA map in c)