From: Trunk isometric force production parameters during erector spinae muscle vibration at different frequencies
Parameter
N
21
Age, yr
24.3 ± 7.6
Weight, kg
69.4 ± 12.6
Height, cm
172.3 ± 7.9
Baecke-f questionnaire
simple sports score
5.9 ± 3.5
leisure index
3.1 ± 0.5