Table 1. Intersession repeatability of range of motion measurements (ROM), maximum voluntary contraction (MVC), root mean square of the surface electromyographic signal (sEMG RMS), area and perimeter of the center of pressure (CoP), velocity in the antero-posterior (AP) and mediolateral (ML) direction.
CTRL PRE | STR PRE | ICC | SEM% | ||
---|---|---|---|---|---|
m(SD) | m(SD) | ||||
ROM (°) | Hip extension | 27(4) | 26(4) | 0.974 | 2.5 |
Hip flexion | 81(15) | 82(16) | 0.994 | 1.5 | |
Ankle Plantarflexion | 31(5) | 30(5) | 0.992 | 1.5 | |
Ankle Dorsiflexion | 37(5) | 37(4) | 0.982 | 1.8 | |
MVC (N) | knee extensors | 595(125) | 593(124) | 0.997 | 1.1 |
Knee flexors | 433(81) | 432(79) | 0.997 | 1.0 | |
Plantar flexors | 758(142) | 751(147) | 0.976 | 3.0 | |
Dorsiflexors | 480(90) | 479(88) | 0.998 | 0.9 | |
EMG RMS (mV) | Vastus lateralis | 0.726(0.10) | 0.728(0.10) | 0.992 | 1.3 |
Biceps femoris | 0.567(0.08) | 0.564(0.08) | 0.991 | 1.3 | |
Gastrocnemius medialis | 0.538(0.08) | 0.534(0.07) | 0.991 | 1.3 | |
Tibialis anterior | 0.426(0.06) | 0.424(0.06) | 0.982 | 1.8 | |
Static test | OE | 352(77) | 349(75) | 0.987 | 2.5 |
CE | 467(103) | 463(106) | 0.984 | 2.8 | |
CoP area (cm 2 ) | OE+foam | 439(91) | 436(89) | 0.981 | 2.8 |
CE+foam | 598(109) | 596(111) | 0.979 | 2.7 | |
Static test | OE | 387(85) | 385(77) | 0.984 | 2.7 |
CE | 486(113) | 497(111) | 0.978 | 3.4 | |
CoP perimeter (cm) | OE+foam | 461(96) | 473(92) | 0.982 | 2.7 |
CE+foam | 616(117) | 605(113) | 0.975 | 3.0 | |
Static test | OE | 5.8(1.2) | 6.1(0.8) | 0.728 | 8.9 |
CE | 6.4(1.3) | 6.4(1.3) | 0.934 | 5.1 | |
Speed AP (cm·s -1 ) | OE+foam | 5.8(0.9) | 5.8(0.8) | 0.842 | 5.8 |
CE+foam | 6.4(0.9) | 6.2(0.8) | 0.793 | 6.1 | |
Static test | OE | 3.7(0.5) | 3.8(0.5) | 0.845 | 5.3 |
CE | 4.0(0.6) | 4.0(0.5) | 0.921 | 3.7 | |
Speed ML (cm·s -1 ) | OE+foam | 3.7(0.5) | 3.7(0.5) | 0.900 | 4.1 |
CE+foam | 4.1(0.6) | 4.1(0.6) | 0.901 | 4.4 | |
Dynamic test | OE | 1156(251) | 1164(248) | 0.981 | 3.0 |
CE | 1541(340) | 1533(352) | 0.978 | 3.3 | |
CoP area (cm 2 ) | OE+foam | 1448(301) | 1440(294) | 0.971 | 3.5 |
CE+foam | 1974(361) | 1960(368) | 0.979 | 2.7 | |
Dynamic test | OE | 1179(277) | 1189(255) | 0.976 | 3.5 |
CoP perimeter (cm) | CE | 1664(347) | 1652(358) | 0.971 | 3.6 |
OE+foam | 1506(310) | 1489(306) | 0.980 | 2.9 | |
CE+foam | 2112(375) | 2128(379) | 0.972 | 3.0 |
ICC: intraclass correlation coefficient, SEM%: percentage of the standard error of the measurement. OE: eyes open, CE: eyes closed, OE+foam: eyes open with foam, CE+foam: eyes closed with foam.