D Dave S New member Apr 24, 2010 #1 Muscles to be able to do this: youtube.com/watch?v=8dW-3qmBAVM (copy & paste URL) . Is that what doing 'skullcrushers' will develop?
Muscles to be able to do this: youtube.com/watch?v=8dW-3qmBAVM (copy & paste URL) . Is that what doing 'skullcrushers' will develop?
