Upper Arms Exercise · Smith Machine

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Smith Machine Decline Close Grip Bench Press

Category

Upper Arms

Equipment

Smith Machine

Target

Triceps

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

Combining a decline angle with a close grip on the Smith machine emphasizes the triceps and lower chest together, with the fixed bar path making the narrower, less stable grip easier to control under heavier loads. It's a more specialized variation, usually added once standard close-grip pressing has plateaued. Keep the elbows tucked through the whole rep — that's what makes this a triceps exercise rather than a chest one.

How to Do the Smith Machine Decline Close Grip Bench Press

1. Set the bench on the smith machine to a decline position.
2. Lie back on the bench with your feet planted firmly on the floor.
3. Take a close grip on the bar, slightly narrower than shoulder width.
4. Unrack the bar and lower it toward your chest under control, keeping your elbows tucked close to your body.
5. Pause briefly once the bar is just above your chest.
6. Press the bar back up to the starting position, fully extending your arms.
7. Continue for the set reps, taking care to lower with control and reset your posture between each rep.

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 Upper Arms exercises category.

Muscles Worked

The Smith Machine Decline Close Grip Bench Press primarily targets the Triceps, with Chest as the primary synergist muscle group, along with the Shoulders.

More Upper Arms Exercises

Assisted Standing Triceps Extension (with Towel) Assisted · Triceps Assisted Triceps Dip (kneeling) Leverage Machine · Triceps Band Alternating Biceps Curl Band · Biceps Band Close-Grip Push-Up Band · Triceps Band Concentration Curl Band · Biceps Band One Arm Overhead Biceps Curl Band · Biceps

More Triceps Exercises

Band Side Triceps Extension Band · Triceps Barbell Close-Grip Bench Press Barbell · Triceps Barbell Decline Close Grip To Skull Press Barbell · Triceps Barbell Incline Close Grip Bench Press Barbell · Triceps Barbell Incline Reverse-Grip Press Barbell · Triceps Barbell Jm Bench Press Barbell · Triceps

Equipment Alternatives

Don't have smith machine? These target the same triceps with different equipment.

Bench Dip (knees Bent) Body Weight · Triceps Band Side Triceps Extension Band · Triceps Barbell Close-Grip Bench Press Barbell · Triceps Cable Alternate Triceps Extension Cable · Triceps

FAQ

What muscles does the Smith Machine Decline Close Grip Bench Press work?

The Smith Machine Decline Close Grip Bench Press primarily targets the triceps as the primary agonist. Synergist assistance is provided by the chest 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 Smith Machine Decline Close Grip Bench Press?

The Smith Machine Decline Close Grip Bench Press is performed using a smith 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 Smith Machine Decline Close Grip Bench 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 Smith Machine Decline Close Grip Bench 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 Smith Machine Decline Close Grip Bench Press?

If you don't have access to a smith machine, the Bench Dip (knees Bent) targets the same triceps 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.