Chest Exercise · Leverage Machine

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Machine Inner Chest Press

Category

Chest

Equipment

Leverage Machine

Target

Pectorals

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Biomechanical cues verified by the PlanWorkouts Science Review Board under CSCS editorial oversight; see our editorial standards.

The inner chest press machine angles the arms inward through the pressing motion, aiming to bias the sternal portion of the pecs similar to how a close-grip bench press changes emphasis on a barbell. A useful variation for chest days that already include a standard-width press.

How to Do the Machine Inner Chest Press

1. Set the seat height and position yourself on the machine with your back flat against the pad.
2. Grasp the handles with an overhand grip and position your elbows at a 90-degree angle.
3. Push the handles forward until your arms are fully extended, exhaling as you press.
4. Pause briefly at the end of the movement, then slowly return to the starting position while inhaling.
5. Perform for your targeted rep count, focusing on a deliberate tempo and maximum tension in the pectorals.

Biomechanical & Joint Load Cues

Transverse plane horizontal adduction of the shoulder combined with elbow extension. Peak mechanical stretch occurs when pectorals are fully lengthened at chest level. Scapular retraction is vital for shoulder joint safety.

Common Mechanical Mistakes & Form Errors to Avoid

• Excessive Elbow Flare (90°): Flaring the upper arms directly perpendicular to the torso pinches the supraspinatus tendon against the acromion. Tuck elbows to roughly 45–70 degrees.
• Loss of Scapular Retraction: Allowing shoulder blades to slide forward off the bench shifts mechanical tension off the pectorals onto the delicate anterior deltoids.
• Bouncing Off the Sternum: Using ribcage recoil to bounce the load bypasses the critical bottom turnaround stretch where muscle protein signaling is highest.

Proper Breathing Patterns & Core Engagement

Inhale deeply during the lowering (eccentric) phase while pinning shoulders back. Exhale forcefully through the concentric pressing phase past the friction zone.

Injury Modification & Joint Safety

Lifters with anterior shoulder impingement or AC joint inflammation should restrict elbow flare to 45–60 degrees or substitute with neutral-grip dumbbell presses. If joint irritation persists, immediately stop and substitute this movement with another exercise from the Chest exercises category.

Muscles Worked

The Machine Inner Chest Press primarily targets the Pectorals, with Triceps as the primary synergist muscle group, along with the Shoulders.

More Chest Exercises

Archer Push Up Body Weight · Pectorals Assisted Chest Dip (kneeling) Leverage Machine · Pectorals Assisted Seated Pectoralis Major Stretch With Stability Ball Assisted · Pectorals Assisted Wide-Grip Chest Dip (kneeling) Leverage Machine · Pectorals Band Bench Press Band · Pectorals Band One Arm Twisting Chest Press Band · Pectorals

More Pectorals Exercises

Barbell Bench Press Barbell · Pectorals Barbell Decline Bench Press Barbell · Pectorals Barbell Decline Pullover Barbell · Pectorals Barbell Decline Wide-Grip Press Barbell · Pectorals Barbell Front Raise And Pullover Barbell · Pectorals Barbell Guillotine Bench Press Barbell · Pectorals

Equipment Alternatives

Don't have leverage machine? These target the same pectorals with different equipment.

Chest And Front Of Shoulder Stretch Body Weight · Pectorals Barbell Bench Press Barbell · Pectorals Behind Head Chest Stretch Assisted · Pectorals Cable Bench Press Cable · Pectorals

FAQ

What muscles does the Machine Inner Chest Press work?

The Machine Inner Chest Press primarily targets the pectorals as the primary agonist. Synergist assistance is provided by the triceps along with the shoulders. Maintaining strict biomechanical alignment ensures maximal tension remains focused on the intended muscle fibers rather than shifting to surrounding stabilizer joints.

What equipment do I need for the Machine Inner Chest Press?

The Machine Inner Chest Press is performed using a leverage machine. Ensure all equipment is securely positioned with collars or safety pins locked before loading working sets. If you train in a home gym or minimal setup, explore our equipment-free and resistance band alternatives below.

What is the most common form mistake on the Machine Inner Chest Press?

The most frequent error is excessive elbow flare (90°): Flaring the upper arms directly perpendicular to the torso pinches the supraspinatus tendon against the acromion. Tuck elbows to roughly 45–70 degrees.. Controlling the 2 to 3-second eccentric lowering phase ensures maximal hypertrophic stimulus while shielding connective tissue.

How many sets and reps should I perform on the Machine Inner Chest Press?

For muscle hypertrophy and size, aim for 3 to 4 working sets of 8 to 12 repetitions at 70% to 80% of your 1RM with 90 to 120 seconds rest. For absolute strength development, prioritize 4 to 5 sets of 3 to 6 heavier reps with 2 to 3 minutes rest.

What's a good alternative to the Machine Inner Chest Press?

If you don't have access to a leverage machine, the Chest And Front Of Shoulder Stretch targets the same pectorals using body weight instead. This alternative replicates the same joint angle and movement plane while allowing you to train effectively with different available gear. You can also substitute it seamlessly in our free Workout Plan Builder.