P90X3 - Isometrix
P90X3 - Isometrix
0.0 P90X3 - Isometrix
2013, 30 m
P90X3 - Isometrix
Instability-plus-isometric contraction to build a rock solid platform.
0.0 P90X3 - Isometrix
2013, 30 m
P90X3 - Isometrix
Instability-plus-isometric contraction to build a rock solid platform.