Exercises
Abs
Cross-Body Plank
Intermediate
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muscles worked
primary
Abs
secondary
Shoulders
secondary
Glutes
How to do it
Execution:
- 1Start in a high plank, arms straight and body aligned.
- 2Brace the core and drive the right knee to the left elbow under the body.
- 3Return to the plank and alternate sides.
Tip: don't let your hips pike up or twist too much — the motion comes from the abs.