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Table 2 Subject characteristics

From: Effects of two pre-workout supplements on concentric and eccentric force production during lower body resistance exercise in males and females: a counterbalanced, double-blind, placebo-controlled trial

 

Females (n = 12)

Males (n = 9)

Combined (n = 21)

Age (y)

21.5 ± 2.0

20.7 ± 2.8

21.1 ± 2.4

Height (cm)

163.1 ± 6.4

175.0 ± 7.9

168.1 ± 9.1

Weight (kg)

63.2 ± 6.8

74.7 ± 14.0

68.2 ± 11.8

Body fat (%)

24.3 ± 7.2

10.2 ± 3.8

18.3 ± 9.2

RT experience (y)

3.6 ± 2.3

3.9 ± 3.0

3.7 ± 2.6

Weekly RT (h)

7.4 ± 3.7

7.7 ± 4.2

7.5 ± 3.9

Daily caffeine intakea (mg)

271 ± 123

223 ± 106

250 ± 116

  1. Mean ± SD
  2. a67% of participants reported that pre-workout supplements were one of their regular sources of caffeine