September 3, 2018July 15, 2024 Michael McIsaac, MS, MS, CSCS 0 Comments Anti-Extension - Option 1 33 views You may also like 1. Level 1 McGill Crunch (Side View) 24 views Anti-Extension - Option 1 00:23 2. Level 2 McGill Crunch (Side View) 24 views Anti-Extension - Option 1
