Table 1.  Characteristics of the study sample. Data are presented as mean (SD).

WBV protocol

20 Hz, 90 s

25 Hz, 90 s

30 Hz, 90 s

20 Hz, 120 s

25 Hz, 120 s

(n = 19)

(n = 19)

(n = 26)

(n = 28)

(n = 22)

Age
(years)

males

19.3 (.5)

20.6 (.7)

21.5 (.3)

19.3 (.5)

19.0 (.0)

females

19.2 (.5)

19.4 (.8)

20.0 (.4)

19.4 (.9)

19.1 (.3)

Weight
(kg)

males

76.9 (12.5)

77.0 (11.7)

78.0 (8.7)

80.2 (11.0)

73.6 (14.2)

females

60.7 (6.1)

60.2 (9.2)

59.0 (5.1)

58.0 (9.0)

56.7 (7.8)

Height
(m)

males

1.76 (.06)

1.72 (.08)

1.78 (.07)

1.79 (.06)

1.75 (.07)

females

1.64 (.05)

1.63 (.05)

1.62 (.05)

1.64 (.07)

1.62 (.05)

WBV: whole-body vibration