Weighted Bench Dip
- Target muscle
- Triceps Brachii
- Synergist muscles
- Deltoid Anterior, Latissimus Dorsi, Levator Scapulae, Pectoralis Major Clavicular Head, Pectoralis Major Sternal Head
- Equipment
- Weighted
- Body part
- Upper Arms
- Type
- Strength
The Weighted Bench Dip is a bodyweight triceps exercise intensified by placing a weight plate on the lap, making the triceps brachii work harder against external resistance. The anterior deltoid, pectoralis major (clavicular and sternal heads), latissimus dorsi, and levator scapulae assist the movement. It is an accessible yet effective upper-arm strength builder suitable for intermediate lifters looking to overload the standard bench dip.
How to do the Weighted Bench Dip
- 1Place a flat bench behind you and a second bench or sturdy surface of equal height in front, roughly hip-width apart.
- 2Sit on the edge of the rear bench, hands gripping the edge just outside your hips, fingers pointing forward.
- 3Have a training partner place a weight plate on your thighs just above the knees, or carefully position it yourself before lifting off.
- 4Slide your hips off the bench and extend your legs out toward the front bench, heels resting on its edge with feet flexed.
- 5Lower your body in a controlled manner by bending your elbows until your upper arms are approximately parallel to the floor, or until you feel a light stretch in the anterior shoulder.
- 6Keep your elbows tracking straight back, not flaring outward, throughout the descent.
- 7Press through your palms to extend your elbows and return to the starting position, squeezing the triceps at the top.
- 8Repeat for the desired number of repetitions, then have your partner remove the plate — or carefully set it aside — before standing.
Form tips
- Keep your hips close to the rear bench throughout the movement; drifting too far forward shifts load to the shoulders and reduces triceps engagement.
- Do not lower past the point where your upper arm is parallel to the floor — excessive depth places the shoulder in an impinged position and increases anterior capsule stress.
- Secure the weight plate carefully before each set; an unsecured plate can slide during the dip and cause loss of control.
- Maintain a proud chest and retracted shoulder blades to protect the shoulder joint and ensure the triceps absorb the majority of the load.
- Start with a lighter plate than you think you need — the bench dip position magnifies effective load on the joints, so progression should be gradual.
Common mistakes
- Lowering too deep: dropping below parallel places the shoulder in extreme external rotation under load, significantly increasing the risk of anterior shoulder impingement and labrum stress.
- Flaring the elbows outward: allowing the elbows to splay wide shifts the workload from the triceps to the pectoralis major and anterior deltoid, reducing triceps development and increasing shoulder strain.
- Shrugging the shoulders: elevating the shoulders toward the ears during the dip reduces scapular stability and can cause neck and upper trapezius discomfort.
- Using momentum to bounce out of the bottom: jerking the hips upward removes tension from the triceps brachii and can jolt the shoulder and elbow joints.
- Placing the weight plate too close to the knees: positioning the plate near the knees allows it to slide during the movement; place it securely mid-thigh and verify stability before each set.
Frequently asked questions
How is the Weighted Bench Dip different from a regular bench dip?
The standard bench dip uses only bodyweight. Adding a weight plate on the lap increases the resistance your triceps must overcome, making the exercise more effective for building strength and muscle mass once bodyweight alone becomes too easy. The mechanics and muscle recruitment are identical — only the load changes.
What muscles does the Weighted Bench Dip primarily work?
The triceps brachii is the primary mover. The anterior deltoid, pectoralis major clavicular head, pectoralis major sternal head, latissimus dorsi, and levator scapulae all act as synergists to stabilize and assist the pressing motion.
Is the Weighted Bench Dip safe for the shoulders?
It can be performed safely if depth is controlled and load is appropriate. The key safety rule is to stop the descent when your upper arms reach parallel to the floor. Going deeper — especially under added weight — places the anterior shoulder capsule under high stress and increases impingement risk. If you have existing shoulder issues, consult a healthcare provider before loading this exercise.
How much weight should I add to a Weighted Bench Dip?
Start with a light plate (5–10 kg / 10–25 lb) and only increase load once you can complete 3 sets of 12 reps with full control and no shoulder discomfort. Because the bench dip geometry amplifies joint forces, the same plate feels heavier here than on most other exercises. Progress slowly and prioritize form over load.
Can I do Weighted Bench Dips without a partner?
Yes, though a partner makes it safer and more practical. Unassisted, place the plate on your thighs while seated on the bench, grip the bench edge, and carefully lift off. After your set, lower your hips back to the bench before removing the plate. Avoid attempting to remove the plate mid-set without support.
