Cable Alternate Shoulder Press
- Target muscle
- Deltoid Anterior
- Synergist muscles
- Deltoid Lateral, Triceps Brachii
- Equipment
- Cable
- Body part
- Shoulders
- Type
- Strength
The cable alternate shoulder press is a strength exercise that primarily targets the front shoulders (anterior deltoid), with help from the side delts (lateral deltoid) and triceps. Pressing one arm at a time against constant cable tension keeps the muscles loaded throughout the rep and challenges your core to resist twisting, making it a useful unilateral builder for shoulder size and stability.
How to do the Cable Alternate Shoulder Press
- 1Set two low cable pulleys to roughly shoulder height and attach a single handle to each.
- 2Grab a handle in each hand, step back to remove slack, and stand tall with your feet about shoulder-width apart and your core braced.
- 3Start with both handles at shoulder level, palms facing forward and elbows pointing down and slightly forward.
- 4Press one handle straight up until your arm is fully extended overhead, keeping your wrist stacked over your elbow.
- 5Lower that handle under control back to shoulder level without letting the weight stack rest.
- 6Press the opposite handle overhead in the same way, alternating arms with each rep.
- 7Continue alternating for your target reps, keeping your torso upright and still throughout.
- 8Finish your set, then return both handles to the stack under control.
Form tips
- Brace your core and squeeze your glutes so your torso stays upright and doesn't twist toward the working arm.
- Keep a slight bend in the elbow at lockout and avoid leaning back to push the handle up.
- Move at a steady tempo, taking about two seconds to lower so the front delts stay under tension.
- Use a weight light enough that you can control the eccentric on each side rather than letting the cable snap your arm down.
- Keep your wrist neutral and stacked over your forearm so the load drives through your shoulder, not your wrist.
Common mistakes
- Leaning back and turning the press into an incline push, which shifts work onto the upper chest and strains the lower back.
- Letting the torso rotate toward the pressing arm, which leaks tension from the shoulder and reduces the core's anti-rotation benefit.
- Using too much weight and yanking the handle up, which sacrifices control and overloads the elbow and wrist.
- Cutting the range short by not pressing to full extension or not returning fully to shoulder level, which limits delt development.
- Letting the weight stack slam down between reps, which removes the constant tension that makes the cable version effective.
Frequently asked questions
What muscles does the cable alternate shoulder press work?
It primarily works the front shoulders (anterior deltoid), with the side delts (lateral deltoid) and triceps assisting. Pressing one arm at a time also engages your core to resist rotation.
Is the cable alternate shoulder press good for beginners?
Yes. The constant cable tension and one-arm-at-a-time pace let you start light and learn the pressing pattern with good control, which makes it a beginner-friendly way to build shoulder strength.
Why press one arm at a time instead of both together?
Alternating arms keeps continuous tension on the working shoulder while the other rests, and it forces your core to fight the uneven load, improving stability and helping even out side-to-side strength differences.
How many sets and reps should I do?
For shoulder hypertrophy and strength, 3 to 4 sets of 8 to 12 reps per arm at a controlled tempo is a solid default. Pick a weight that lets you finish each set with clean form.
What is a good alternative to the cable alternate shoulder press?
A standing or seated dumbbell shoulder press, performed either alternating or both arms together, trains the same anterior and lateral deltoids and is a close substitute when cables are not available.
