Name: Spheerz Core Trainer Review @CoachShreck
Uploaded: 2012-05-03T01:29:31-0400
Duration: 8 min 17 s
Description: http://www.varietytrainer.com Coach Shreck giving a Product Review of the Spheerz Core Workout System. These are similar to ab rollout wheels except they are independently movable balls that really target the core and stabilizing muscles.

Uploaded May 2010 | Updated September 2026, 7 hours ago

varietytrainer.com Coach Shreck covers all the basics of the barbell back squat. This is exactly how he instructs his University Athletes. This might very well be the king of all strength exercises.