Technical Details
- Variable Type: Discrete Metric
- Data Type: Float
- Units: degrees (°)
- Column Name:
contact_phase_x_factor - Measurement: Shoulder-hip separation angle (transverse plane) at Apex
Description
Contact phase X factor is the twist angular difference between torso and pelvis rotation (transverse plane) at ball contact. It indicates how much upper-body rotation has been “uncoiled” at contact and can be compared with Loading Phase Shoulder Hip Separation. X factor is also known as hip shoulder separation.Use Cases
- Uncoiling and rotation at contact
- Kinetic chain and technique
- Comparison with loading-phase separation