Table 4. Comparison between light and heavy weight balls in temporal parameters (%pitching cycle).

	Light weight ball	Heavy weight ball	p-value
Maximum elbow varus torque	75.45 ± 4.75	74.55 ± 5.05	0.251
Maximum shoulder internal rotation torque	78.00 ± 4.58	77.20 ± 4.93	0.192
Maximum shoulder external rotation angle; MER	79.15 ± 4.22	79.00 ± 4.78	0.837
Maximum ball reaction force	89.90 ± 2.43	87.75 ± 5.12	0.040*
Maximum elbow flexion angular velocity	91.60 ± 2.85	91.90 ± 3.52	0.445
Maximum shoulder internal rotation angular velocity	104.90 ± 2.12	105.69 ± 2.19	0.007**

*p<0.05, **p<0.01; data are mean ± SD.