USMC Push-up Rules
Pushups. Starting position is lying on your stomach with hands shoulder width apart, toes on the deck, and elbows, back, and knees straight. On the first and third count, lower the chest to the deck; bend the elbows to at least 90 degrees (1/3). On the second and fourth count, extend the arms back to the starting position (2/4). This exercise conditions the chest, primarily in the anterior shoulder region, and secondarily, the triceps.
- Reference: MCO P6100.12
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