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Anatomical cross-sectional areas (ACSAs) of the quadriceps (quad), vastus medialis (VM), vastus lateralis (VL), vastus intermedius (VIM) and rectus femoris (RF) in painful vs. contralateral painless limbs
| Painless | Painful | Difference (pairs) | ||||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |
| Quad cm2 | 49.7 | 12.8 | 46.7 | 11.3 | −2.9 | 4.4 |
| VM cm2 | 18.3 | 5.6 | 17.1 | 5.1 | −1.1 | 2.1 |
| VL cm2 | 14.2 | 4.0 | 13.1 | 3.7 | −1.1 | 2.3 |
| VIM cm2 | 14.9 | 4.1 | 14.3 | 3.7 | −0.6 | 2.2 |
| RF cm2 | 2.2 | 1.1 | 2.2 | 1.1 | −0.03 | 0.5 |
SD = standard deviation
