Want to hit a volleyball harder? Want to protect your shoulder for the long run?It’s starts with a neural drawback when hitting.Coach Scott Mattera, HWant to hit a volleyball harder? Want to protect your shoulder for the long run?It’s starts with a neural drawback when hitting.Coach Scott Mattera, HWant to hit a volleyball harder? Want to protect your shoulder for the long run?It’s starts with a neural drawback when hitting.Coach Scott Mattera, H