Abstract
| Original language | English |
|---|---|
| Pages (from-to) | 326-332 |
| Journal | Gait and Posture |
| Volume | 33 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2011 |
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Association between isometric muscle strength and gait joint kinetics in adolescents and young adults with cerebral palsy. / Dallmeijer, A.J.; Baker, R.; Dodd, K.; Taylor, N.
In: Gait and Posture, Vol. 33, No. 3, 2011, p. 326-332.Research output: Contribution to Journal › Article › Academic › peer-review
TY - JOUR
T1 - Association between isometric muscle strength and gait joint kinetics in adolescents and young adults with cerebral palsy
AU - Dallmeijer, A.J.
AU - Baker, R.
AU - Dodd, K.
AU - Taylor, N.
PY - 2011
Y1 - 2011
N2 - The purpose of this study was to determine the association between isometric muscle strength of the lower limbs and gait joint kinetics in adolescents and young adults with cerebral palsy (CP). Twenty-five participants (11 males) with bilateral spastic CP, aged 14-22 years (mean: 18.9, sd: 2.0. yr) and Gross Motor Function Classification System (GMFCS) level II (n=19) and III (n=6) were tested. Hand held dynamometry was used to measure isometric strength (expressed in N. m/kg) of the hip, knee, and ankle muscles using standardized testing positions and procedures. 3D gait analysis was performed with a VICON system to calculate joint kinetics in the hip, knee and ankle during gait. Ankle peak moments exceeded by far the levels of isometric strength of the plantar flexors, while the knee and hip peak moments were just at or below maximal isometric strength of knee and hip muscles. Isometric muscle strength showed weak to moderate correlations with peak ankle and hip extension moment and power during walking. Despite considerable muscle weakness, joint moment curves were similar to norm values. Results suggest that passive stretch of the muscle-tendon complex of the triceps surae contributes to the ankle moment during walking and that muscle strength assessment may provide additional information to gait kinetics. © 2010 Elsevier B.V.
AB - The purpose of this study was to determine the association between isometric muscle strength of the lower limbs and gait joint kinetics in adolescents and young adults with cerebral palsy (CP). Twenty-five participants (11 males) with bilateral spastic CP, aged 14-22 years (mean: 18.9, sd: 2.0. yr) and Gross Motor Function Classification System (GMFCS) level II (n=19) and III (n=6) were tested. Hand held dynamometry was used to measure isometric strength (expressed in N. m/kg) of the hip, knee, and ankle muscles using standardized testing positions and procedures. 3D gait analysis was performed with a VICON system to calculate joint kinetics in the hip, knee and ankle during gait. Ankle peak moments exceeded by far the levels of isometric strength of the plantar flexors, while the knee and hip peak moments were just at or below maximal isometric strength of knee and hip muscles. Isometric muscle strength showed weak to moderate correlations with peak ankle and hip extension moment and power during walking. Despite considerable muscle weakness, joint moment curves were similar to norm values. Results suggest that passive stretch of the muscle-tendon complex of the triceps surae contributes to the ankle moment during walking and that muscle strength assessment may provide additional information to gait kinetics. © 2010 Elsevier B.V.
U2 - 10.1016/j.gaitpost.2010.10.092
DO - 10.1016/j.gaitpost.2010.10.092
M3 - Article
VL - 33
SP - 326
EP - 332
JO - Gait and Posture
JF - Gait and Posture
SN - 0966-6362
IS - 3
ER -