Lifting both legs is a difficult exercise if the lower back is weak. Strengthen lower back muscles through double leg lifts with tips from a personal trainer in this free exercise video.
Expert: Belle Badell
Bio: Belle Badell tiene más de 13 años de experiencia en el campo de la condición física.
Filmmaker: Christopher Rokosz
Duration : 0:1:57
[youtube ZISZRljBUkg]