Hominin · exercise
Side Jackknife
Side Jackknife is a beginner strength exercise using body only. It works the abdominals.
beginnerbody onlypull movementcompoundstrength
- Main muscles
- abdominals
Watch a form tutorial on YouTube · Search Hominin for it
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General information, not medical advice: start light, learn the movement before adding weight, and ask a qualified coach or doctor if you are injured or unsure. Exercise data from the Free Exercise DB (public domain).