Uploaded December 2017 | Updated September 2026, 7 hours ago
Using an Alpha Ball, Kelly Starrett and Jill Miller show you a cross-fiber technique to help you obtain better health and mobility in the hamstrings and its bony attachments.
Using an Alpha Ball, Kelly Starrett and Jill Miller show you a cross-fiber technique to help you obtain better health and mobility in the hamstrings and its bony attachments.










