is this a static crunch?
xxxar0wxxx 2 years ago
This is a very basic way to engage the abdominals when dealing with people that can not do a single situp or crunch
TaylorBeech 2 years ago
is this a static crunch?
xxxar0wxxx 2 years ago
This is a very basic way to engage the abdominals when dealing with people that can not do a single situp or crunch
TaylorBeech 2 years ago