Hips flex during descent
Lifter pikes at the hips; reduces eccentric hamstring load.
Overactive muscles
Hip flexorsErector spinae
Corrective work
Foam RollHip flexors↗StretchHalf-kneeling hip flexor stretch↗Hinge · Lower Body
Nordic Hamstring Curl
Coaching cues
- Kneel, ankles anchored — body rigid from knee to head
- Slowly lower chest toward floor — hamstrings eccentrically brake
- Catch yourself with hands; use hamstrings to pull back up
- No hip flexion — maintain a straight knee-to-shoulder line
Common faults 3
Lumbar hyperextension
Lower back arches as the lifter tries to slow the descent.
Overactive muscles
Erector spinaeHip flexors
Corrective work
Foam RollErector spinae↗StretchHalf-kneeling hip flexor stretch↗Too fast — no eccentric control
Lifter drops instead of braking — misses the eccentric strength stimulus.
Overactive muscles
Hamstrings (insufficient length-tension)
Corrective work
Foam RollHamstrings↗StretchHamstring stretch with strap↗