# Cable Wrist Curl - Canonical: https://fitwill.app/exercise/11464/cable-wrist-curl/ - Media ID: 11464 - Primary muscle: Forearms - Body part: Forearms - Equipment: Cable Machine - Video: https://fitwill.app/videos/11464/cable-wrist-curl.mp4 ## Description The Cable Wrist Curl is a forearm isolation exercise performed seated at a low cable pulley. You sit on a flat bench facing the machine, rest the backs of your forearms on your thighs with an underhand grip on a straight bar, and curl your wrists upward against the cable's resistance. Because the cable provides constant tension through the entire range of motion, the wrist flexors stay loaded even at the top of the movement, where a free-weight wrist curl often loses resistance. This movement primarily trains the wrist flexors on the underside of the forearm, including the flexor carpi radialis and flexor carpi ulnaris, while your grip works to hold onto the bar throughout the set. Strong, resilient forearm flexors carry over directly to pulling exercises like deadlifts, rows, and pull-ups, and they support everyday tasks that involve holding, carrying, or lifting. The Cable Wrist Curl is useful for lifters whose grip gives out before their back or biceps during heavy pulling work, climbers who need forearm endurance, and anyone rehabbing or prehabbing the wrist area with light, controlled loading. It is also a common accessory in bodybuilding programs for adding forearm size, since the forearms respond well to higher-rep, tension-heavy work. Setup matters more here than in most small exercises. Your forearms need firm contact with your thighs so that only the wrists move, and the bench needs to be close enough to the pulley that the cable pulls at a low, consistent angle. If the bench is too far away, your shoulders and elbows drift forward and the forearms lose their support, letting bigger muscles steal the work. To perform it well, keep your torso leaned slightly forward, forearms pressed to your thighs, and let the bar roll down to your fingertips at the bottom of each rep. Curl the wrists up as high as they will go, squeeze briefly, then lower with control. The range of motion is small, so reps are quick to rush; moving deliberately is what makes this exercise work. Keep the weight modest. Wrist flexion uses small joints and short levers, and loading it heavily usually leads to the elbows lifting, the torso rocking, or the wrists being yanked at the bottom. A light weight done for twelve to twenty smooth reps builds the forearms more effectively than a heavy set done with momentum. ## Instructions 1. Set a flat bench a short distance in front of a cable machine and attach a straight bar to the low pulley. 2. Sit on the bench with feet flat on the floor and grasp the bar with an underhand grip, hands about shoulder-width apart. 3. Lean forward and rest the backs of your forearms on your thighs so your wrists hang just past your knees and the cable runs low behind or between your legs. 4. Start with your wrists extended, letting the bar roll down toward your fingertips while keeping your forearms glued to your thighs. 5. Curl your wrists upward by pulling your knuckles back toward your body, lifting the bar as high as your wrists allow. 6. Hold the top position for a brief moment and squeeze the underside of your forearms. 7. Lower the bar slowly under control until your wrists are fully extended again and you feel a stretch in the forearms. 8. Exhale as you curl the wrists up, and inhale as you lower the bar back down. 9. Keep your shoulders relaxed and your elbows in the same spot on your thighs for the entire set. 10. After your final rep, set the bar down on the floor or release it back toward the stack before standing up. ## Tips & Tricks - If your elbows slide forward off your thighs mid-set, the weight is too heavy — your shoulders are pulling and your wrists are no longer doing the work. - Let the bar roll to your fingertips at the bottom of each rep. Stopping short of a full stretch shortens the working range and wastes half the exercise. - Do not lift your whole hand toward your shoulder; only the wrist joint should hinge. If your elbows bend during the rep, you are turning it into a partial reverse curl. - Chalk or a lifting grip can help, but avoid wrapping straps around the bar — the rolling grip at the bottom is part of what trains the forearms. - Keep the bench close to the machine so the cable angle stays low and constant; a stretched-out position adds an awkward pull on your shoulders. - Use higher reps, typically twelve to twenty, since the wrist flexors are endurance-oriented and the small range of motion limits how much load they need. - If the straight bar bothers your wrists, try a smaller handle or an EZ-style attachment so you can find a neutral, comfortable hand angle. - Pause for one full second at the top of each rep instead of bouncing — with a cable, the tension never disappears, so fast reps mostly teach momentum. - Do these after your main pulling work, not before, so a fatigued grip doesn't limit your rows, pull-ups, or deadlifts. ## Frequently Asked Questions ### What muscles does the Cable Wrist Curl work? It primarily targets the wrist flexors on the underside of the forearm, such as the flexor carpi radialis and flexor carpi ulnaris. Your grip muscles also work throughout the set to hold onto the bar. ### Why use a cable instead of a barbell or dumbbell for wrist curls? The cable keeps steady tension on the wrist flexors through the entire range, including the fully curled position at the top. With free weights, resistance drops off where gravity is not pulling directly against the movement. ### Is the Cable Wrist Curl suitable for beginners? Yes, as long as the weight stays light and the reps are controlled. Beginners should focus on keeping the forearms fixed on the thighs and learning the small wrist-only range of motion before adding load. ### How far should the bench be from the cable machine? Close enough that your forearms rest fully on your thighs and the cable pulls low and steady behind you. If the bench is too far away, your shoulders and elbows drift forward and the setup loses stability. ### Why does the bar roll down to my fingertips at the bottom? That roll is intentional — it lengthens the working range so both the fingers' flexors and the wrist flexors get loaded. Let it happen slowly rather than letting the weight drop. ### How many reps should I do for the Cable Wrist Curl? Twelve to twenty reps per set works well because the forearms respond to sustained tension and the range of motion is short. Two to four sets at the end of an upper-body or pulling session is enough for most people. ### Can the Cable Wrist Curl help my grip strength for deadlifts and pull-ups? It can support grip endurance, since the flexors that curl the wrist also contribute to holding a bar. That said, it works best alongside direct gripping work like holds, hangs, or heavy rows. ### My wrists ache when I do this exercise — what should I change? Reduce the weight, slow down the lowering phase, and check that your hands are not bent back violently at the bottom. A different handle width or an angled attachment can also relieve discomfort at the wrist joint. ### Should I do the Cable Wrist Curl before or after my main workout? Do it after your main lifts. Pre-fatiguing the forearm flexors and grip first will make heavy rows, pull-ups, and deadlifts feel weaker and harder to hold onto.