Table 3 Comparison of onset-IC and peak-IC by muscle (ms)

From: Lower extremity electromyographic characteristics of patients with noncontact anterior cruciate ligament rupture in one-legged jump landings: a case-control study

 

Muscle

Injury group

Control group

p-valuea

Dominant leg

(Affected limb)

Non-dominant leg

(Healthy limbs)

Dominant leg

Non-dominant leg

onset-IC

VL

-125.37b±45.43

-118.35±42.95

-109.62±43.79

-114.26±41.25

0.5398

VM

-120.84±37.17

-114.66±35.49

-109.57±30.27

-103.36±34.34

0.9985

BF

-150.55±66.04

-136.83±63.47

-112.86±55.67*

-129.28±54.67

0.2544

ST

-156.59±66.93

-117.49±59.10*

-114.49±60.71*

-120.41±56.07

0.0938

Gmax

-95.61±20.02

-87.79±17.67

-82.16±18.36*

-85.21±16.77

0.1760

peak-IC

VL

151.26±46.87

161.37±48.72

148.41±52.06

133.63±57.14

0.2701

VM

146.64±59.81

148.22±65.44

157.80±74.42

160.71±70.32

0.9643

BF

-34.21±12.22

-40.31±16.74

-42.83±10.38*

-37.25±13.11

0.0578

ST

-32.15±12.46

-38.14±13.78

-40.36±11.33*

-38.34±9.59

0.1267

Gmax

41.47±12.04

39.26±12.44

40.08±10.37

37.82±12.20

0.9924

  1. Note: a, indicates the effect of subject groupx test limb interactions on the onset-IC and peak-IC time of muscle; b, negative values indicate that they occurred before initial contact (IC); *, indicates p<0.05 for comparison of the dominant leg in the injury group versus the other groups.