Table 1.
Measured and calculated variables pre- and post-training and control periods
| Training group | Control group | |||
|---|---|---|---|---|
| Pre | Post | Pre | Post | |
| Leg extension 5 RM (kg) | 43.5(12) | 49.4(14.1)** | — | — |
| Leg press 5 RM (kg) | 178.3(44.7) | 219.1(55.4)** | — | — |
| Maximal tendon force (N) | 3346(1167.6) | 3555.4(1256.7) | 3254.2(789.6) | 3051(694.5) |
| BF coactivation (μV s−1) | 25.8(9.15) | 24.9(11.3) | 33.2(12.8) | 29.3(13.7) |
| Maximal tendon stress (MPa) | 40(11) | 42.1(10.5) | 39.7(15.6) | 37(12.9) |
| Maximal tendon strain (%) | 9.9(2.2) | 5.9(2.4)** | 10.2(3) | 10.3(1.7) |
| Tendon stiffness (N mm−1) | 2187.4(713.1) | 3609.6(1220)* | 2246.5(726) | 2254.7(684.9) |
| Young's modulus (GPa) | 1.3(0.3) | 2.2(0.8)** | 1.3(0.6) | 1.3(0.4) |
| Tendon CSA (mm2) | 84.2(23.6) | 84.3(21.8) | 87.5(26.6) | 87.2(24.6) |
| Tendon length (mm) | 47.6 (4.7) | 48.3 (4.8) | 48.4 (6.6) | 48.4 (5.9) |
| EMD (ms) | 4.4 (5.4) | 42.9 (5.2) | 50.6 (5.1) | 51.9 (4.4) |
| RTD (N m s−1) | 482.8(302.5) | 612.6(401)** | 501.6(320.3) | 437.2(291.7) |
| Muscle activation capacity | 0.95(0.03) | 0.97(0.03) | 0.91(0.14) | 0.89(0.11) |
5 RM, 5-repetition maximum; BF, biceps femoris; CSA, cross-sectional area; EMD, electromechanical delay; RTD, rate of torque development. Values are means (s.d.); * and ** significantly different from pre (P < 0.05 and P < 0.01, respectively).