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Table 4 Multiple linear regression analyses for mean KAM during the squat and lunge exercises

From: Does pain relate with activation of quadriceps and hamstrings muscles during strengthening exercise in people with knee osteoarthritis?

Dependent

Independent

R-square

Unstandardized β coefficient

Standardized β coefficient

Change statistics p (df, F)

Legs-together squat (Nm/kg)

KOOS pain

0.013

−.001

−.115

0.467 (40, 0.540)

ICOAP total

0.022

0.001

0.148

0.349 (40, 0.898)

NPRS

0.019

−.009

−.140

0.378 (40, 0.794)

Wide-legged squat (Nm/kg)

KOOS pain

0.004

−.001

−.060

0.707 (40, 0.143)

ICOAP total

0.031

0.001

0.177

0.262 (40, 1.293)

NPRS

0.002

−.003

−.047

0.767 (40, 0.089)

Lunge (leading leg) (Nm/kg)

KOOS pain

0.007

0.001

0.086

0.589 (40, 0.297)

ICOAP total

0.003

0.000

−.058

0.716 (40, 0.134)

NPRS

0.004

−.004

−.066

0.680 (40, 0.173)

Lunge (trailing leg) (Nm/kg)

KOOS pain

0.108

−.003

−.329

0.033* (40, 4.864)

ICOAP total

0.115

0.002

0.339

0.028* (40, 5.201)

NPRS

0.005

−.004

−.067

0.672 (40, 0.182)

  1. Independent variables included measures of pain
  2. * Significance (α < 0.05)