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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