Table 2 Mean (and standard error of the mean) of the normalized maximal surface electromyographic root mean square (sEMG) expressed in percentage (%) values of the vastus lateralis, the vastus medialis, and the rectus femoris of the exercising limb and the non-exercising limb measured during the maximal voluntary contractions before (PRE) and after (POST) the 30-s unilateral exercise of the EL for both the females and males
|  | Vastus lateralis | Time × sex | Sex | Vastus medialis | Time × sex | Sex | Rectus femoris | Time × sex | Sex | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | PRE | POST | Â | Â | PRE | POST | Â | Â | PRE | POST | Â | Â |
Exercising limb | ||||||||||||
 Males | 100 (0.00) | 107.07 (21.40) | p = 0.108 | p = 0.108 | 100 (0.00) | 97.59 (13.53) | p = 0.354 | p = 0.354 | 100 (0.00) | 101.28 (21.92) | p = 0.125 | p = 0.125 |
 Females | 100 (0.00) | 92.12 (18.18) | 100 (0.00) | 93.27 (6.08) | 100 (0.00) | 87.81 (15.46) | ||||||
|  | Time | p = 0.928 |  |  | p = 0.059£ |  |  | p = 0.209 |  | |||
Non-exercising limb | ||||||||||||
 Males | 100 (0.00) | 86.85 (22.66) | p = 0.047 | p = 0.047 | 100 (0.00) | 98.39 (24.30) | p = 0.881 | p = 0.881 | 100 (0.00) | 93.24 (29.29) | p = 0.254 | p = 0.254 |
 Females | 100 (0.00) | 136.90 (80.62) | 100 (0.00) | 100.31 (30.55) | 100 (0.00) | 172.85 (244.51) | ||||||
|  | Time | p = 0.904 |  |  | p = 0.919 |  |  | p = 0.840 |  | |||