The Journal of Korean Physical Therapy Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2287-156X   pISSN 1229-0475

The Journal of Korean Physical Therapy Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2287-156X pISSN 1229-0475

Table. 2.

Table. 2.

Descriptive statistics of LLD, difference of muscle activity, muscle contraction onset time, and vertical ground reaction force between short and long leg side during simple lifting task

Variables Short leg side Long leg side Differences
Leg length discrepancy (mm) 852.02±79.36 865.16±84.71 13.14± 5.35
Rectus abdominis activity (%RVC) 245.68±49.11 262.29±58.35 16.61±9.24
Erector spinae activity (%RVC) 440.29±183.21 485.34±196.64 18.05±13.43
Rectus femoris activity (%RVC) 265.61±180.04 278.47±189.32 12.86±9.28
Onset time rectus abdominis contraction (seconds) 0.24±0.06 0.20±0.04 0.04±0.02
Onset time erector spinae contraction (seconds) 0.36±0.15 0.19±0.05 0.17±0.10
Onset time rectus femoris contraction (seconds) 0.29±0.14 0.15±0.06 0.14±0.08
Vertical ground reaction force (N) 1.28±0.42 1.19±0.38 0.09± 0.03

Mean± SD.

J Kor Phys Ther 2022;34:175-80 https://doi.org/10.18857/jkpt.2022.34.4.175
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