Technique
- Get into a Plank position.
- Jump your feet off the ground and open your legs out to land into a Straddle position.
- Jump again and close your legs to land back with the legs together.
- Each cycle of opening and closing the legs counts as one repetition.
Form tips
- Keep your Abs engaged: do not let your back arch.
Muscles
Strength
Primary
- Abs
- Obliques
- Pelvis
- Quadriceps
- Serratus anterior
- Legs
Secondary
- Hip adductors
- Chest
Individual muscles
Individual muscles
- Rectus abdominis
- External oblique
- Internal oblique
- Iliacus
- Rectus femoris
- Psoas major
- Serratus anterior
- Flexor digitorum brevis
- Flexor digitorum longus
- Flexor hallucis longus
- Flexor hallucis brevis
Equipment
Appears in
Cardio
Joint movements
Progressions
Plank jack thrust
Novice
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