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Instructions
- Hold your trunk tight and keep your back straight
- Lie flat on your back with your hands part way under your gluts
- Keep your lower back on the floor
- Extend legs fully and maintain the extension
- Raise your legs up so they become perpendicular to the floor
- Lower your legs to the start position but do not let your feet touch the floor
- All movement should be generated by your abs and hip flexors, do not swing your legs to assist
Muscles involved
- Rectus Abdominis
- Iliopsoas