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Table 1 Maximum shortening and elongation in each adductor and abductor muscle of the implanted side relative to the non-implanted side are listed throughout gait

From: Adverse effects of total hip arthroplasty on the hip abductor and adductor muscle lengths and moment arms during gait

Muscle length Abductor muscles Adductor muscles
GMD GMI PF AM AL AB PT
GMDA GMDM GMDP GMIA GMIM GMIP AMA AMP
Maximum shortening
 Mean (mm) −2.0 −1.3 −0.9 −1.9 −1.6 −1.3 −0.6 −0.9 −0.8 −2.9 −2.9 −3.6
 SD (mm) 5.2 6.1 6.5 4.3 4.5 4.8 3.6 3.6 3.5 3.7 3.5 4.0
 P value 0.215 0.648 0.648 0.085 0.372 0.617 0.913 0.286 0.133 0.014* 0.008* 0.007*
Maximum elongation
 Mean (mm) 1.1 2.3 3.4 N.A. 0.5 1.4 1.7 0.6 1.0 0.2 N.A. N.A.
 SD (mm) 4.8 5.3 6.0 N.A. 4.5 4.9 4.3 5.1 5.0 5.0 N.A. N.A.
 P value 0.420 0.170 0.078 N.A. 0.586 0.349 0.133 0.811 0.586 0.617 N.A. N.A.
  1. Muscle abbreviations are in Fig. 1 caption
  2. A Wilcoxon signed-rank test was used to determine whether there is a significant difference
  3. N.A. not available
  4. *P value < 0.05
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X