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Side Jackknife
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Side Jackknife

The side jackknife is a dynamic bodyweight exercise that intensely targets the oblique abdominal muscles and improves lateral core stability.
Physical Activity
Specification & Key Parameters
4 parameter
Parameter Value Parameter Value
Duration
15 min
Calories
350 KCAL
Level
intermediate
Equipment
Body only

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i Instructions

  1. 1. Setup position: Lie on your side on a mat. Your bottom arm rests flat on the ground or wraps around your torso, while your top hand lightly touches your head behind your ear. Your legs are straight and hovered slightly off the floor.
  2. 2. Concentric phase: Simultaneously raise your straight legs and upper body toward the ceiling, bending sideways and contracting your oblique muscles.
  3. 3. Eccentric phase: Lower your legs and torso back to the starting position in a controlled manner without fully touching the floor to maintain muscle tension.
  4. 4. Breathing and safety: Exhale as you lift your torso and legs, and inhale as you lower them. Avoid pulling on your head with your hand.

Physiological Impact

6%
Heart Rate Impact
7%
Muscle Load
6%
Fatigue Level
3%
Recovery Rate

Caloric Benchmarking

Running 400 kcal
Cycling 300 kcal
Swimming 500 kcal
Actual exercise 350 kcal
0 kcal 300 kcal 600 kcal
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High Intensity

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