Table 4. Results of the Pearson correlation for squat depth and joints ROM in the sagittal plane.
All n=60 r(X.Y) r2 t p
ROM pelvis 0.23 0.05 1.79 0.08
ROM lumbar spine 0.61 0.37 5.89 <0.001
ROM hip 0.45 0.20 3.84 <0.001
ROM knee 0.92 0.86 18.52 <0.001
ROM ankle 0.38 0.14 3.10 0.003
Females n=20
ROM pelvis 0.14 0.02 0.60 0.56
ROM lumbar spine 0.49 0.24 2.40 0.03
ROM hip 0.74 0.55 4.68 <0.001
ROM knee 0.92 0.85 10.17 <0.001
ROM ankle 0.43 0.19 2.03 0.06
Males n=40
ROM pelvis 0.33 0.11 2.16 0.04
ROM lumbar spine 0.63 0.40 4.98 <0.001
ROM hip 0.32 0.10 2.10 0.04
ROM knee 0.92 0.85 14.92 <0.001
ROM ankle 0.38 0.14 2.56 0.01