Fig 1.
Examples of T1-weighted magnetic resonance images of the mid-thigh.
The outline of individual muscles of the quadriceps is indicated by white dotted lines. VM, vastus medialis; VL, vastus lateralis; VI, vastus intermedius; RF, rectus femoris.
Fig 2.
Muscle volume of each muscle normalized to body mass.
* indicates a significant difference between male and female rowers or between male and female control subjects. † indicates a significant difference between rowers and control subjects within each sex. VM, vastus medialis; VL, vastus lateralis; VI, vastus intermedius; RF, rectus femoris.
Table 1.
Statistical results of the difference between rowers and untrained control subjects, and between males and females.
Fig 3.
The percent muscle volume of each muscle to the total quadriceps femoris.
* indicates a significant difference between male and female rowers. † indicates a significant difference between rowers and control subjects within each sex. VM, vastus medialis; VL, vastus lateralis; VI, vastus intermedius; RF, rectus femoris.
Fig 4.
Relationship between Q-angle and percent muscle volume of each muscle to the total quadriceps femoris.