Hips flex during the descent
Body folds at the hip instead of hinging — hamstring load is lost.
Overactive muscles
Hip flexorsErector spinae
Corrective work
Foam RollHip flexors↗StretchHalf-kneeling hip flexor stretch↗Hinge · Lower Body
Glute Ham Raise (GHR)
Coaching cues
- Ankles anchored; thighs on the pad; body hinged at the hip
- Lower by hinging at the hip — eccentric hamstring load
- Curl the body back up by flexing the knee — hamstring concentric
- Maintain a rigid trunk throughout — no hip flexion
Common faults 2
Arms push off to come back up
Upper body assists the curl; hamstrings are underloaded on the concentric.
Overactive muscles
Pec majorTriceps
Corrective work
Foam RollHamstrings↗StretchHamstring stretch with strap↗