Screen

Half Kneeling Hip Flexor

Screens hip flexor length and true hip extension range of motion from a half-kneeling position. Excessive lumbar extension during the test reveals compensation — a common driver of lower back pain.

All Screens

Criteria to Pass

The center of the hip moves in front of the knee
The shoulders, or shoulders and hips, remain behind the knee
No excessive lumbar extension — the movement must come from hip extension, not from arching the low back