Upper Arms Exercise · Body Weight

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Bodyweight Kneeling Triceps Extension

Also known as: Bodyweight Kneeling Tricep Extension

Category

Upper Arms

Equipment

Body Weight

Target

Triceps

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

Kneeling keeps the torso upright and stable so the triceps take on nearly the full demand of extending the arm, without the legs or hips contributing anything to the movement. It's a bodyweight approach to an angle usually trained with cables or dumbbells, useful when equipment isn't available. Keeping the upper arm still and only moving from the elbow is what keeps the tension on the triceps instead of leaking into the shoulders.

How to Do the Bodyweight Kneeling Triceps Extension

1. Begin kneeling on the floor with your knees set hip-width apart.
2. Plant your hands on the floor in front of you, shoulder-width apart, fingers pointed forward.
3. Extend your legs straight out behind you, coming up onto your toes and hands so your body forms a straight line from head to heels.
4. Bend your elbows, keeping them tucked close to your sides, to lower your upper body toward the floor.
5. Hold briefly at the bottom, then press through your hands to straighten your arms and return to the plank start.
6. Repeat for your planned rep target, maintaining clean technique and steady breathing on every repetition.

Biomechanical & Joint Load Cues

Single-joint elbow extension isolating the triceps brachii (lateral, medial, and long heads). Keep upper arm fixed to prevent shoulder momentum.

Common Mechanical Mistakes & Form Errors to Avoid

• Flaring Elbows Outward: Allowing elbows to wing outward during pushdowns or extensions shifts tension to the chest and shoulders while stressing elbow ligaments.
• Moving the Upper Arms: Swinging the humerus back and forth turns the movement into a lat pullover rather than isolated elbow extension.
• Incomplete Lockout Extension: Stopping short of full arm extension prevents full recruitment of the triceps medial and lateral heads.

Proper Breathing Patterns & Core Engagement

Inhale as elbow flexes to full stretch; exhale as forearm extends straight.

Injury Modification & Joint Safety

Individuals with triceps tendon irritation at the elbow should avoid excessive deep elbow flexion (>90°) on skull crushers and prefer cable pressdowns. If joint irritation persists, immediately stop and substitute this movement with another exercise from the Upper Arms exercises category.

Muscles Worked

The Bodyweight Kneeling Triceps Extension primarily targets the Triceps, with Shoulders as the primary synergist muscle group, along with the Chest.

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 body weight? These target the same triceps with different equipment.

Band Side Triceps Extension Band · Triceps Barbell Close-Grip Bench Press Barbell · Triceps Cable Alternate Triceps Extension Cable · Triceps Dumbbell Close Grip Press Dumbbell · Triceps

FAQ

What muscles does the Bodyweight Kneeling Triceps Extension work?

The Bodyweight Kneeling Triceps Extension primarily targets the triceps as the primary agonist. Synergist assistance is provided by the shoulders along with the chest. 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 Bodyweight Kneeling Triceps Extension?

The Bodyweight Kneeling Triceps Extension is performed using no equipment — just body weight. 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 Bodyweight Kneeling Triceps Extension?

The most frequent error is flaring elbows outward: Allowing elbows to wing outward during pushdowns or extensions shifts tension to the chest and shoulders while stressing elbow ligaments.. 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 Bodyweight Kneeling Triceps Extension?

For muscle growth and density, execute 3 to 4 working sets of 10 to 15 controlled repetitions with 60 seconds rest, emphasizing a deep stretch and deliberate peak contraction on every rep.

What's a good alternative to the Bodyweight Kneeling Triceps Extension?

If you don't have access to the space or setup it needs, the Band Side Triceps Extension targets the same triceps using band 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.