It sort of looks like you aren't locking those knees, but it could be just your leg structure tricking me. Might be wrong on this part as well, does your heel feel firmly planted on the ground during each rep? When I do them, I always think "chest up/out" so I get that back to straighten up fro...
It sort of looks like you aren't locking those knees, but it could be just your leg structure tricking me. Might be wrong on this part as well, does your heel feel firmly planted on the ground during each rep? When I do them, I always think "chest up/out" so I get that back to straighten up fro...