Table 1. Effects of supplementation on 1-RM muscle strength. Data are means (±SD).

 

  Creatine
  n = 15

 

  Creatine + BE
  n = 14

 

  Placebo
  n = 15

 
 

Pre
(kg)

Post
(kg)

Pre
(kg)

Post
(kg)

Pre
(kg)

Post
(kg)

Leg Press 1 RM

77.3
(33.6)
122.7 *
(43.2)
82.5
(30.8)
137.8 *
(54.7)
68.4 (26.0)
99.4
(33.9)

Knee Extension 1 RM

57.8
(25.6)
93.4 * (42.0)
63.0
(31.8)
104.7 * (48.7)
50.5 (16.6)
64.5
(28.6)

Knee Flexion 1 RM

36.9
(14.2)
57.3 * (22.2)
41.1
(20.4)
68.0 * (32.4)
31.8 (12.6)
44.5
(16.6)

Bench Press 1 RM

35.1
(14.9)
58.3 (23.7)
38.3
(18.8)
70.9 *† (36.0)
31.5 (11.3)
50.6
(17.6)

Lat Pulldown 1 RM

40.3
(12.5)
57.0 * (19.6)
45.1
(16.5)
63.3 * (22.4)
34.8 (10.5)
45.7
(15.8)

Arm Curl 1 RM

23.6
(7.4)
29.4 * (9.8)
26.2
(10.2)
32.9 * (13.0)
23.3
(6.9)
25.2
(7.2)
* p < 0.05 compared with Placebo Group
† p < 0.05 compared with Creatine Group