Shared Content with Resistance Training Specialist RTS ( www.youtube.com/channel/UCrG1ungfGMfN4VV1BLDrfGQ ) Trainer to the Trainers®, Tom Purvis (tompurvis.com) from the Resistance Training Specialist Program (RTS) shares some thoughts and mechanical realities of squatting. For live courses and in-depth exploration of exercise mechanics, you can visit RTS at www.RTS123.com *Squat proportions model was built by Tom Purvis in 1998, which allows for manipulation of dorsiflexion range, tibia length, floor to knee length, femur length, torso length, as well as load placement at different heights & anterior and posterior placement, also metatarsal flexion/extension capabilities in order to assess influence of heel-blocking* **a PTDC admin may respond to comments, but the Instructor in video will not, so please keep that in mind before you comment!!!**