Jackknife Sit-Up
Jackknife Sit-Up is a body weight exercise for the waist. Targets Iliopsoas and Rectus Abdominis. Synergists: Adductor Brevis and Adductor Longus. Includes a movement animation.
Exercise details
Waist
Iliopsoas, Rectus Abdominis
Body weight
reps_only
Adductor Brevis, Adductor Longus, Obliques, Pectineous, Quadriceps, Sartorius, Tensor Fasciae Latae
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