Kneeling Half Triceps Extension
- Target muscle
- —
- Equipment
- Body weight
- Body part
- Upper Arms
- Type
- Strength
The kneeling half triceps extension is a bodyweight exercise that targets the triceps by moving through a partial range of elbow flexion and extension while kneeling. With your hands placed on the floor in front of you, you lower your upper body by bending at the elbows and press back up using only triceps strength. The shortened range of motion makes it accessible for beginners while still delivering meaningful triceps stimulus.
How to do the Kneeling Half Triceps Extension
- 1Kneel on the floor with your knees hip-width apart and your body upright.
- 2Hinge forward at the hips and place your hands flat on the floor roughly shoulder-width apart, fingers pointing forward. Your arms should be nearly extended and your torso angled roughly 45 degrees.
- 3Brace your core and keep your hips, knees, and shoulders aligned in a straight line — do not let your hips sag or pike.
- 4Bend your elbows to lower your head and chest toward the floor, stopping when your elbows reach roughly 90 degrees (the half range).
- 5Keep your upper arms close to your sides and your elbows pointing back rather than flaring outward.
- 6Press firmly through your palms to straighten your elbows and return to the starting position.
- 7Maintain a neutral wrist — do not allow them to collapse inward or backward during the press.
- 8Complete the target number of reps, then sit back to rest.
Form tips
- Keep your elbows tracking back and close to your torso — this isolates the triceps and reduces shoulder involvement.
- Think of pushing the floor away from you rather than simply straightening your arms; this cue promotes full triceps contraction at the top.
- Squeeze your glutes and brace your abs to prevent your lower back from arching as you lower down.
- Control the lowering phase for a count of two — a slow descent increases triceps tension and reduces momentum.
- Place a folded mat under your knees if hard-floor contact causes discomfort.
Common mistakes
- Flaring the elbows outward: this shifts stress onto the shoulders and chest, taking the triceps out of the movement.
- Letting the hips drop or rise out of alignment: a sagging lower back compresses the lumbar spine, while a piked hip reduces the load on the triceps.
- Using a full push-up range of motion: going too deep (past 90 degrees of elbow flexion) makes the movement more chest-dominant and defeats the purpose of the half-range variation.
- Rushing through reps with momentum: fast, bouncy reps reduce triceps time under tension and limit the training effect.
- Bending at the wrists: letting the wrists break places strain on the joint; keep them neutral and stiff throughout.
Frequently asked questions
What muscles does the kneeling half triceps extension work?
It primarily works the triceps brachii, the muscle group on the back of your upper arm responsible for elbow extension. Because the movement uses no added weight and limits the range to the strongest portion of elbow extension, the triceps absorb virtually all of the load.
Why only half the range of motion?
The half range keeps the movement in the zone where the triceps are strongest and most active, making it effective without requiring equipment or a high level of upper-body strength. It also reduces shoulder and chest involvement compared to a full push-up pattern.
Is this exercise suitable for beginners?
Yes. The kneeling position reduces the load compared to a full push-up, and the partial range of motion makes it approachable for people who are still building triceps strength. As you get stronger, you can progress to a full kneeling triceps extension or a standard close-grip push-up.
How is this different from a regular push-up?
A regular push-up involves a full range of elbow flexion and primarily loads the chest, shoulders, and triceps together. The kneeling half triceps extension uses a shorter range and emphasizes elbow extension over chest pressing by keeping the elbows close to the body.
How many reps and sets should I do?
For strength and muscle development, 3 sets of 8–15 reps works well. If the movement feels too easy, slow down the lowering phase to 3–4 seconds per rep to increase difficulty without adding weight.
