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Roughly 35 of the 639 skeletal muscle groups that make up the human body are responsible for flexing, extending and stabilizing your core. Typically gym-goers remember to strengthen the area with ...

Ready to go beyond crunches, Russian twists, and planks? Try this 20-minute core workout programmed by a trainer for an advanced six-move core workout.

Lie on back with arms extended toward the ceiling in-line with shoulders and legs bent to 90 degrees (knees above hips). Pressing lower back into floor and engaging abs, slowly extend and lower right ...

Being a former gymnast, I'd like to think my balance and stability are still on point. In reality, though, I'm not as nimble as I used to be (she says as a mid-twenty-something), so I'm always up for ...