Knee Slap Push-Ups

Target muscles

The pectoralis major, anterior deltoids and triceps fire explosively to launch the upper body off the floor, training rate of force development rather than just strength. The core must brace hard to keep the body rigid through the airborne phase and absorb the landing, and the shoulders take a significant eccentric load as the hands return to the floor. It is a power-focused push-up that demands a strong pressing base before it is attempted.

How to perform

Setup

Begin in a high plank with the hands under the shoulders, the body in one straight line, abs braced and glutes squeezed. Set the hands firmly and pre-tension the whole body so you can drive explosively. A slightly wider hand position gives a stable launching base.

Execution

Lower into a controlled push-up, then press up as explosively as possible — drive the hands into the floor hard enough that they leave the ground at the top. As you become airborne, quickly bring the hands in to slap the thighs or knees, then return them to the floor to catch your bodyweight with soft, bent elbows. Absorb the landing under control and immediately reset into the next rep. Keep the body rigid throughout so the hips do not pike or sag in the air, and prioritise a soft, controlled catch over chasing height.

Common mistakes

• Landing on stiff, locked arms instead of catching with soft, bending elbows, which jars the wrists and shoulders.
• Letting the hips pike up or sag during the airborne phase rather than staying rigid.
• Attempting it without the pressing strength to launch and catch the bodyweight safely.
• Slapping the thighs late so the hands return to the floor in a rushed, uncontrolled position.

Progressions and regressions

Regress to plain explosive push-ups where the hands leave the floor without the slap, then to clap push-ups, before adding the knee slap. Standard and feet-elevated push-ups build the strength base. Progress by increasing the height of the launch, adding a clap as well as the slap, or stringing several together. This is an advanced power drill — build clear, strong explosive push-ups first.

Programming notes

Program it as low-volume power work early in a session when fresh, three to five sets of three to five quality reps with full rest. Power fades fast with fatigue, so stop when the launch height or the landing control drops off rather than grinding reps. It is high-impact on the wrists and shoulders, so skip it if those joints are irritated and never train it to failure.