Gym TrackHammer Curl (Cable - Rope)
The hammer curl with a rope attachment on a cable machine is a biceps exercise that emphasizes the brachialis and brachioradialis while maintaining constant tension throughout the movement. It suits lifters seeking balanced arm development and those who want a joint-friendly alternative to free weight curls.
- Muscle group
- Biceps
- Primary muscles
- biceps, forearms
- Equipment
- Cable
How to do the Hammer Curl (Cable - Rope)
- Attach a rope handle to the low pulley of a cable machine and grasp each end with a neutral grip, palms facing each other.
- Stand upright with feet shoulder-width apart, arms fully extended, and position yourself far enough from the machine to maintain tension on the cable.
- Keep your elbows pinned at your sides and curl the rope upward by flexing at the elbows, maintaining the neutral grip throughout.
- Continue curling until your forearms are vertical and the rope ends are near your shoulders.
- Lower the rope under control back to the starting position with arms fully extended, resisting the weight on the way down.
Form tips
- Keep your wrists straight and aligned with your forearms throughout the movement rather than flexing or extending them.
- Maintain fixed elbow position at your sides without letting them drift forward as you curl to keep tension on the biceps.
- Control the eccentric portion by taking two to three seconds to lower the weight rather than letting the cable pull your arms down.
Common mistakes
- Allowing elbows to move forward during the curl reduces biceps engagement and turns the movement into a front raise hybrid.
- Using momentum by swinging the torso or leaning back shifts work away from the target muscles and increases injury risk.
- Rotating the wrists outward at the top of the movement changes the exercise mechanics and reduces forearm involvement.
Sets and reps
For hypertrophy, perform 3 to 4 sets of 8 to 12 reps, while strength-focused training typically uses 3 to 5 sets of 5 to 8 reps with heavier load.
Track the Hammer Curl (Cable - Rope) in Gym Track
Log every set in seconds, see your last session's weight and reps as you train, and get a new PR flagged automatically. Free on iPhone and Android.
Get the appFrequently asked questions
- What is the difference between cable rope hammer curls and dumbbell hammer curls?
- Cable rope hammer curls provide constant tension throughout the entire range of motion, including at the bottom position where dumbbells have minimal resistance. The cable also allows for a slightly wider hand position at the top, which can increase brachialis activation.
- Should I pull the rope ends apart at the top of the curl?
- Pulling the rope ends slightly apart at the peak contraction can increase biceps engagement, but it is optional. Keep the movement controlled and avoid excessive splitting that causes your elbows to flare outward.
- How far should I stand from the cable machine?
- Stand far enough that the weight stack does not rest at the bottom of each rep, maintaining tension on the muscles throughout. Typically this means positioning yourself one to two feet away from the machine with a slight forward lean in the cable angle.