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Think you can last 'till the end of this CrossFit-inspired circuit?
Build formidable conditioning with this CrossFit-inspired routine.
Scorch every single muscle.
Jumping jacks have come a long way since middle school.
The golden rule of this circuit: You can't put the weights down.
4 tests to gauge your strength, flexibility, conditioning, and power.
Looking for a terrific total-body workout? These hit everything.
Crush your quads while strengthening your hip flexors.