Table 4.

Lower Extremity Strength (1-RM) and Power Measures for Total Sample

	Whey	Control	Point Estimates	P Value
	(N = 42)	(N = 38)	(95% CI)*	Time
1-RM (N)
Double leg press				<.0001
Baseline	1223±380	1256±461	58 (−87,202)
Six months	1483±517	1465±528
Unilateral right knee extension				<.0001
Baseline	286±115	297±145	10 (−31,52)
Six months	378±119	376±172
Unilateral left knee extension				<.0001
Baseline	259±132	290±127	37 (−37,111)
Six months	386±212	373±158
Peak power 40% (W)
Double leg press				<.0001
Baseline	404±162	443±261	53 (−33,140)
Six months	569±256	549±266
Unilateral right knee extension				<.0001
Baseline	108±47	113±61	15 (1,29)
Six months	140±53	132±64
Unilateral left knee extension				<.0001
Baseline	94±47	109±48	15 (1,29)
Six months	131±53	131±61
Peak power 70% (W)
Double leg press				<.0001
Baseline	428±192	468±257	61 (−16,137)
Six months	592±235	567±293
Unilateral right knee extension				<.0001
Baseline	126±58	135±73	27 (9,45)
Six months	161±68	146±68
Unilateral left knee extension				<.0001
Baseline	111±56	128±53	30 (12,47)
Six months	151±66	139±67

Note: 1-RM = one repetition maximum.

*Mean change whey (6 month less baseline) minus change in control and the corresponding 95% CI.