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Diamond Push Up (On Knees)

The Diamond Push Up (On Knees) is a modified push-up variation that builds tricep strength while reducing load through knee support.

Chest exercises
Chest
Arm exercises
Arms
Bodyweight exercises equipment
Bodyweight exercises
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Diamond Push Up (On Knees)
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Diamond Push Up (On Knees)

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Placing your hands together in a diamond shape beneath your chest while performing push-ups on your knees creates a triceps-dominant pressing movement that also works the chest and front deltoids. The narrow hand position forces the triceps to handle a larger share of the load compared to a standard push-up, making it an excellent bodyweight exercise for upper-arm development.

Performing the movement from the knees reduces the total load, which makes it accessible for beginners or those building up to full diamond push-ups. Progressive calisthenic push-up training — starting from easier variations and advancing over time — produces measurable gains in both muscle strength and thickness (Kotarsky et al., 2018). Consistency with this approach builds a solid foundation for harder variations down the road.

Even at lower intensities, push-up variations effectively develop the pectoral muscles. Targeted chest training increases muscle thickness and can improve range of motion at the shoulder joint (Wohlann et al., 2024). For balanced upper-body programming, pairing diamond push-ups with multi-joint pulling exercises ensures that pressing strength develops alongside back and shoulder stability (Brandão et al., 2020).

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Technique and form

How to perform the Diamond Push Up (On Knees)

  1. Position yourself on your hands and knees with your hands placed directly beneath your shoulders and your knees hip-width apart.
  2. Bring your hands together to form a diamond shape with your thumbs and index fingers touching each other.
  3. Engage your core and maintain a straight line from your knees to your head, avoiding any sagging or arching in your lower back.
  4. Inhale as you slowly bend your elbows, keeping them close to your body rather than flaring outward.
  5. Lower your chest toward your hands until your elbows form approximately a 90-degree angle.
  6. Exhale as you push through your palms to straighten your arms, returning to the starting position.
  7. Squeeze your chest muscles at the top of the movement while maintaining the straight line from your knees to your head.
  8. Keep your neck in a neutral position throughout the exercise, avoiding the tendency to drop your head forward or look up excessively.

Important information

  • Make sure your diamond hand position remains stable throughout the movement to effectively target your triceps and inner chest muscles.
  • Keep your elbows tucked close to your ribcage rather than flaring out to the sides to protect your shoulders and maximize triceps engagement.
  • If you feel wrist discomfort, try performing the exercise on your knuckles or with push-up handles to maintain a more neutral wrist position.
  • Focus on quality over quantity, performing each repetition with proper form rather than rushing through the movement.
Diamond Push Up (On Knees) — Step 1
Diamond Push Up (On Knees) — Step 2

Common Mistakes: Diamond Push Up (On Knees)

Flaring your elbows too wide

Keep your elbows at a moderate angle rather than pushing them straight out to the sides. This protects your shoulder joints.

Arching your lower back excessively

A slight natural arch is fine, but over-arching means you're using too much weight. Brace your core and reduce the load.

Not using full range of motion

Go through the complete movement from start to finish. Partial reps give partial results.

Rushing through reps

Slow, controlled reps work the muscle much better than fast, sloppy ones. Take your time on both the lifting and lowering phase.

Holding your breath

Breathe out during the hard part of the movement and breathe in as you return to the start. Holding your breath can spike your blood pressure.

Benefits of the Diamond Push Up (On Knees)

Builds stronger chest muscles

The Diamond Push Up (On Knees) directly targets your chest muscles, helping you build strength and size in this area over time.

Compound movement for real-world strength

Because the Diamond Push Up (On Knees) uses multiple joints and muscles together, the strength you build transfers directly to everyday activities and sports performance.

Increases overall strength

Regularly performing the Diamond Push Up (On Knees) with progressive weight builds functional strength that carries over to other exercises and daily life.

Equipment advantage

Using your own bodyweight makes this exercise accessible anywhere without equipment, giving you a training benefit that's hard to replicate with other setups.

Train anywhere

The Diamond Push Up (On Knees) can be done at home with minimal or no equipment, making it easy to stay consistent even when you can't get to the gym.

Muscles Worked: Diamond Push Up (On Knees)

The Diamond Push Up (On Knees) is a compound exercise that engages multiple muscle groups working together. Here's how each muscle contributes to the movement.

Primary muscles

Pecs — Your chest muscles power the pushing motion. These are the main muscle doing the heavy lifting during the Diamond Push Up (On Knees).

Secondary muscles

Triceps — Your triceps extend your elbows and lock out the movement. While not the main focus, these muscles play an important supporting role.

Front Delts — Your front shoulder muscles assist in lifting the weight overhead or forward. While not the main focus, this muscle plays an important supporting role.

The Diamond Push Up (On Knees) primarily works 1 muscle with 2 supporting muscles assisting the movement.

Risk Areas

Triceps Pecs
Muscles worked during the Diamond Push Up (On Knees)

FAQ - Diamond Push Up (On Knees)

What muscles does the Diamond Push Up (On Knees) target?

This exercise primarily targets the triceps (especially the lateral head) and the inner portion of the chest muscles. It also engages the anterior deltoids and core muscles as stabilizers during the movement.

How do I ensure proper form for this exercise?

Position your hands in a diamond shape directly under your chest, keep your elbows close to your body during the movement, and maintain a straight line from your knees to your head. Lower until your chest nearly touches your hands, then push back up while maintaining core tension throughout.

How can I progress from this modified version to a standard diamond push-up?

Start by increasing your rep count with perfect form on the knee version until you can perform 15-20 repetitions comfortably. Then practice an elevated standard diamond push-up (hands on a bench), gradually lowering the height of the surface until you can perform the exercise from the floor.

How often should I include Diamond Push Ups (On Knees) in my routine?

Include this exercise 2-3 times weekly with at least 48 hours between sessions to allow for proper muscle recovery. For beginners, aim for 2-3 sets of 8-12 repetitions; as you build strength, you can increase volume before progressing to more challenging variations.

What are common mistakes to avoid with this exercise?

Avoid bending your elbows to compensate for limited shoulder mobility, as this negates the stretching benefits. Don't rush through repetitions or use momentum—move slowly and deliberately. Also, never force the movement beyond the point of mild discomfort, as this could lead to shoulder strain.

Scientific References

Effect of Progressive Calisthenic Push-up Training on Muscle Strength and Thickness

Kotarsky CJ, Christensen BK, Miller JS, et al. · J Strength Cond Res (2018)

Influence of 8-weeks of supervised static stretching or resistance training of pectoral major muscles on maximal strength, muscle thickness and range of motion

Wohlann T, Warneke K, Kalder V, et al. · Eur J Appl Physiol (2024)

Varying the Order of Combinations of Single- and Multi-Joint Exercises Differentially Affects Resistance Training Adaptations

Brandão L, de Salles Painelli V, Lasevicius T, et al. · J Strength Cond Res (2020)

Sources are peer-reviewed academic publications from PubMed.

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