Cable Jack Hammer Pushdown
Cable Jack Hammer Pushdown Exercise Description
The Cable Jack Hammer Pushdown is a cable-based triceps pushdown performed with a neutral (“hammer”) grip using a rope or parallel handles. It primarily trains the triceps brachii through elbow extension while keeping the shoulder and torso stable. The neutral grip helps maintain a straight wrist and comfortable forearm alignment as you press the handles down. Because the cable provides a consistent line of pull, you can focus on locking the upper arms in place and moving only at the elbows. Key muscular roles: prime mover—triceps brachii; assistance/stabilization—anconeus, forearm flexors/extensors for grip and wrist position, and scapular stabilizers to keep the shoulders set. The goal is smooth, controlled elbow extension without trunk sway, shoulder elevation, or wrist collapse.
- Muscle Groups: Triceps
- Target Muscles: Triceps Brachii - Lateral Head
- Assisting Muscles: Triceps Brachii - Long Head, Triceps Brachii - Medial Head
- Stabilizing Muscles: Extensor Carpi Ulnaris, Flexor Carpi Ulnaris, Serratus Anterior, Trapezius - Lower Fibers, Trapezius - Middle Fibers
- Body Area: Upper Body
- Body Parts: Arms, Upper Arms
- Body Surface: Back
- Body Symmetry: Other
- Equipment: Cable
- Exercise Patterns: Push
- Exercise Type: Strength
- Functional Grouping: Elbow Extensors
- Joint Involvement: Single-joint
- Muscle Location: Outer Tricep
- Movement Direction: Vertical
- Muscle Position: Posterior
- Gender: Male
How To Do The Cable Jack Hammer Pushdown Exercise
‘- Set a high pulley with a rope or two parallel (D) handles. Stand just back from the stack, feet hip-width or in a slight stagger, knees softly bent.
– Hinge a few degrees at the hips to clear your thighs; brace lightly and keep a neutral spine with ribs down.
– Grip with a neutral thumb-forward hold. Bring elbows near your sides (slightly in front of the torso). Depress and set the scapulae.
– Start with elbows flexed about 90°, wrists neutral, forearms roughly vertical.
– Extend the elbows to press the handles down until the arms are straight without hyperextending. Keep upper arms fixed; avoid shoulder movement.
– Briefly hold the end position with the triceps contracted while maintaining shoulder depression and neutral wrists.
– Control the return, allowing elbow flexion until forearms are about parallel to the floor (or to a comfortable range) without the shoulders rolling forward.
– Avoid: torso swinging, flared elbows, shrugging, letting the cable pull the shoulders forward, or bending/extending the wrists.
– Adjust stance or pulley height so the cable aligns with your forearms and the load does not drag you out of position.
Cable Jack Hammer Pushdown Tips
‘- Stand just back from the stack with feet hip-width or in a slight stagger and knees softly bent.
– Hinge slightly at the hips, brace lightly, and keep a neutral spine with ribs down.
– Use a neutral, thumb-forward grip and keep your elbows close to your sides, slightly in front of the torso.
– Depress and set your shoulder blades before starting and maintain that shoulder position throughout.
– Begin with elbows flexed about 90°, forearms roughly vertical, and wrists in a neutral, straight line.
– Extend only at the elbows to press the handles down until your arms are straight without hyperextending, keeping upper arms fixed.
– Briefly hold the bottom position with the triceps contracted while maintaining shoulder depression and neutral wrists.
– Control the return so the elbows bend until forearms are about parallel to the floor (or a comfortable range) without letting the shoulders roll forward.
– Avoid torso swinging, flaring the elbows, shrugging, letting the cable pull the shoulders forward, or bending/extending the wrists.
– Adjust your stance or pulley height so the cable aligns with your forearms and the load does not pull you out of position.
Cable Jack Hammer Pushdown Beginner Introduction
The Cable Jack Hammer Pushdown is a cable-based arm exercise that uses a hammer-style, palms-facing grip on a rope or pair of parallel handles. The movement centers on straightening the arms at the elbow against the pull of the cable while the upper arms stay close to the sides and the torso remains steady. This places the main workload on the triceps, with the forearms and grip helping to hold the handles and the shoulders and upper back contributing to a solid, braced position.
Because the resistance comes from a high cable, tension is present through the whole range, encouraging smooth, deliberate motion rather than jerking. The wrists are held in a straight, comfortable line thanks to the neutral grip, which can feel natural for many lifters. The pattern highlights arm drive with minimal help from body momentum, emphasizing steady shoulders, stable wrists, and controlled lowering and lifting of the weight.