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Also known as: Pushup jack.

Technique

  1. Start in a high Plank position on your hands.
  2. As you lower into a Pushup, bring one knee toward the elbow on the same side.
  3. Push back up and return the leg to the starting position before repeating on the other side.

Form tips

  • Keep your body parallel to the ground and do not rotate the hips.
  • The knee must move laterally toward the elbow and not rest on the floor.
Logging: Repetitions done on one side.

Muscles

Strength

Primary

  • Shoulders
  • Chest
  • Triceps
  • Serratus anterior

Secondary

  • Biceps
  • Forearms
  • Obliques
  • Pelvis
  • Spine
  • Abs
  • Neck
  • Anterior deltoid
  • Pectoralis major (clavicular head)
  • Triceps brachii (long head)
  • Triceps brachii (medial head)
  • Triceps brachii (lateral head)
  • Serratus anterior
  • Pectoralis major (sternal head)

Equipment

Appears in

Progressions

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High lizard crawl

Intermediate

Regressions

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One-leg pushup

Novice
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Staggered pushup

Novice
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Knee archer pushup

Novice
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Side-staggered pushup

Novice
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Archer pushup

Intermediate
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T-pushup

Novice
Want to log this exercise? Open it in Calistree. Text and images are used under CC BY-NC-ND 4.0; the video plays from the original source.