Trunk swings to complete reps
Erectors and hip flexors generate momentum; forearms underloaded.
Overactive muscles
Erector spinaeHip flexors
Corrective work
Foam RollErector spinae↗StretchHalf-kneeling hip flexor stretch↗Pull · Upper Body
Reverse Curl
Coaching cues
- Overhand (pronated) grip on a barbell or EZ bar
- Curl to full contraction — brachioradialis emphasis
- Lower to full extension — 3 seconds eccentric
- Elbows pinned; no trunk swing
Common faults 2
Wrists extend (drop) during the curl
Extensor fatigue causes wrist drop; brachioradialis loses the line of pull.
Overactive muscles
Wrist extensors
Corrective work
StretchWrist extensor stretch↗