'Ben Carpenter demonstrating an alternative leg exercise which can be used as a functional unilateral strengthening exercise . This can also be used as a knee rehabilitation exercise once strengthening exercises can be reintroduced.' 

Tags: fitness , Workout , gym , personal trainer , muscle , legs , fitness model , thighs , quads , injury , rehabilitation , ben carpenter

SEE ALSO: SBS , 2017 , balance , aer , physical fitness , hit , dancefitness , shilpa s yoga , �� couple workout , 202