strength
Side Jackknife
Works the abdominals, with no equipment.
Specification
| Equipment | body only |
| Primary muscles | abdominals |
| Secondary muscles | none recorded |
| Mechanic | compound |
| Force | pull |
| Level | beginner |
| Category | strength |
Works the abdominals, with no equipment.
Specification
| Equipment | body only |
| Primary muscles | abdominals |
| Secondary muscles | none recorded |
| Mechanic | compound |
| Force | pull |
| Level | beginner |
| Category | strength |
Calories burned by activity
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