Table 1

Characteristics of physical performance (mean ± SD)

Variable

Before

After

Before vs. after (p =)

Sign. in change 0.5 KG vs. 1 KG (p =)

Bench press (kg) 1RM 0.5 KG

31.1 ± 8.8

31.1 ± 8.8

1.00

0.10

Bench press (kg) 1RM 1 KG

36.3 ± 7.1

34.7 ± 6.3

0.05

Bench press ME 0.5 KG(reps × kg)

502 ± 200

481 ± 190

0.35

0.44

Bench press ME 1 KG (reps × kg)

657 ± 175

661 ± 203

0.87

Squat 1RM (kg) 0.5 KG

61.8 ± 24,1

63.9 ± 24,5

0.25

0.49

Squat 1RM (kg)

1 KG

58.8 ± 13.6

59.7 ± 14.6

0.20

Squat ME 0.5 KG (reps × kg)

991 ± 545

1003 ± 556

0.93

0.16

Squat ME 1 KG (reps × kg)

1460 ± 1076

1956 ± 1733

0.11

CMJ 0.5 KG (cm)

43.7 ± 5,9

45.0 ± 6.7

0.12

0.75

CMJ 1 KG (cm)

46.0 ± 2,4

47.0 ± 3.0

0.02

Data are means ± SDs. 1RM = one repetition maximum, ME = muscle endurance (repetitions × load), CMJ = counter-movement jump

Mero et al. Journal of the International Society of Sports Nutrition 2010 7:4   doi:10.1186/1550-2783-7-4