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Primary Muscle Group: abs and obliques
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Secondary Muscle Group: lats, pec minor, traps - lower
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Base Movement: crunch, trunk rotation
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Equipment: medicine ball
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Training Type: weight training
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Level of Difficulty: 5
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Sport Specific: football, wrestling
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Position: arms overhead, face up
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Movement Variation: alternating, bilateral
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Plane of Motion: sagittal, transverse
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Joint Action: spine flexion, spine rotation
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