Hip External Rotation at 90 deg Flexion

Purpose

Screen for Hip External Rotation at 90 deg Flexion findings.

Execution

1. 1Lie supine with hip and knee at 90 deg
2. 2Stabilize the pelvis
3. 3Move the lower leg inward to create hip external rotation
4. 4Stop at end range without pelvic tilt
5. 5Compare sides

Key Observations

• Normal 40-60 deg
• Restriction suggests posterior capsule or piriformis

Views

• supine

Protocol

1. 1Observe from: supine.
2. 2Standardize start position and instructions.
3. 3Perform 2-3 trials per side when applicable.
4. 4Record key observations and any positive indicators.
5. 5Compare left vs right when applicable.

Reference

Joint Range of Motion and Muscle Length Testing