Table 1: Mann Whitney U test for pre-and post-testing between groups for concentric elbow flexion concentric and eccentric hip abduction force production.

	Testing	Isotonic (n=10)	Elastic band (n=10)	U	Z	p-value	η2
		M rank	M rank
Elbow flexion concentric (N)	Pre-testing	8.80	12.20	33.00	-1.285	.199
	Post-testing	11.10	9.90	44.00	-.454	.650	0.01
Hip abduction eccentric (N)	Pre-testing	9.25	11.75	37.50	-9.45	.345
	Post-testing	8.85	12.15	33.50	-1.25	.650	0.08