Hammer Curl

hammer-curl

isolationhypertrophyisolationaccessorybilateral

注意

caution · Uncontrolled hypertension — Squeezing the handles tightly and bracing the core can spike blood pressure during heavy sets. Instead, use lighter dumbbells with a relaxed grip and continuous breathing to maintain steady tension.
caution · Shoulder impingement — Allowing the elbows to drift forward or flare outward shifts load into the shoulder joint and aggravates impingement. Instead, perform strict preacher hammer curls on a pad to lock the elbows and isolate the arms.

I want you to feel a clean, focused burn along the outer sweep of your arm, not a frantic tug in your shoulders. A great hammer curl keeps your elbows pinned like hinges while your palms face inward, turning each rep into a controlled squeeze that builds resilient grip and balanced bicep thickness. Breathe steadily, move deliberately, and let the weight travel along a quiet, predictable arc.

如果您是新手

Start lighter than you think. Your goal here is control, not momentum. Keep your torso completely still; if your back arches or your hips sway forward to heave the weight up, the tension has left the target muscles. You should feel a steady, localized fatigue along the outer bicep and forearm. True failure means you can no longer complete the upward phase with your elbows pinned to your sides. Stop the set the moment your form breaks down, not when you simply feel tired. Beginners often compensate by rolling the wrists into a standard supinated curl or letting the elbows drift forward. Keep your knuckles pointing toward the ceiling throughout the entire range. Rest your shoulders away from your ears, engage your midline, and focus on a smooth, unbroken tempo. Consistent, strict reps will build a stronger, more resilient arm faster than heavy, sloppy swings ever will.

進一步探索

To push this movement further, extend the lowering phase to three or four seconds while keeping the lift brisk but controlled. Adding a two-second pause at full extension before each rep eliminates any elastic rebound and forces the brachialis to initiate the pull from a dead stop. Sets of eight to twelve remain ideal for building tissue, but dropping to six to eight with heavier dumbbells shifts the emphasis toward strength; add 2.5 pounds per hand only when you complete all prescribed sets without your elbows drifting forward. If you want more difficulty without adding load, perform the curl seated on a bench, which removes any subtle hip drive. Alternating arms rather than lifting both simultaneously lets you channel all your focus into one side at a time. Once strict standing hammer curls feel routine across multiple sessions, progress to cross-body hammer curls, bringing each dumbbell towards the opposite shoulder to alter the line of pull.

常見錯誤

Most lifters sabotage the hammer curl by swinging their torso to generate momentum, which instantly shifts tension away from the arms and into the lower back. Another frequent error is allowing the elbows to drift forward or flare outward during the ascent, turning an isolated flexion into a messy shoulder-dominant pull. Many also drop the weights too quickly on the descent, missing the eccentric phase where crucial muscle damage and growth occur. Finally, rolling the palms upward mid-rep defeats the entire purpose of the neutral grip, stripping away the brachialis and brachioradialis engagement that makes this variation so valuable. Keep the movement slow, strict, and entirely focused on elbow flexion.

訓練計劃

Sets: 3
Reps: 8-12
Rest: 90s
Tempo: 2-0-2-0
RPE: 8
Per set: ~90s
頻率: 2-3x/week

進階

Add 2.5 to 5 pounds per hand once you hit 12 clean reps across all sets.

Cues

elbows pinned to your ribs, not drifting forwardpalms facing inward the entire replower slowly — don't drop the dumbbellskeep your torso still, no swingingknuckles pointing toward the ceiling

肌肉

Primary

Biceps
Forearms

Secondary

Shoulders

廚具

Dumbbells

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