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Table 3 Correlation coefficient between the cumulative NJs of the joints and the NJ of clubhead during the downswing of skilled and unskilled golfers ( p-value )

From: Kinematic evaluation of movement smoothness in golf: relationship between the normalized jerk cost of body joints and the clubhead

 

Skilled

Unskilled

Left ankle

0.519 (0.019)*

0.195 (0.425)

Right ankle

0.558 (0.011)*

0.248 (0.307)

Left knee

0.528 (0.017)*

0.225 (0.353)

Right knee

0.549 (0.012)*

0.368 (0.121)

Left hip

0.474 (0.035)*

0.473 (0.041)*

Right hip

0.468 (0.038)*

0.509 (0.026)*

Spine

0.372 (0.106)

0.271 (0.261)

Neck

0.302 (0.196)

0.249 (0.305)

Left shoulder

0.367 (0.122)

0.426 (0.069)

Right shoulder

0.188 (0.426)

0.249 (0.303)

Left elbow

0.030 (0.898)

0.145 (0.552)

Right elbow

0.499 (0.025)*

0.212 (0.383)

Left wrist

0.195 (0.410)

0.040 (0.872)

Right wrist

0.075 (0.754)

0.095 (0.699)

Lower body

0.657 (0.002)**

0.363 (0.127)

Upper body

0.210 (0.374)

0.182 (0.455)

  1. *p<0.05,**p<0.01.