Name: Psoas & Hip Flexion @ChrisRuffolo
Uploaded: 2025-06-09T01:29:31-0400
Duration: 8 min 17 s
Description: Torso follows sit bone separation (slide across). Action is easier closer when feet are under 90 degree knee (not too far under, not too far in front).

Uploaded June 2026 | Updated September 2026, 3 weeks ago

Getting the base of the big toe (ball of foot) to stay engaged with the ground so that half can load into the pelvis on the fold. Femur can drive up and ribs can press down into.

Filling Space: Angles, Halves, and Changing Center

Mom Becomes a Movement Scientist: Knee Pain

Core Flexion With and Without Pelvic Pushdown

Finding Rib Sling, 4: Lying to Sitting Up

Finding the Rib Sling, 3: Removing Lower Leg & Rotation