Here are the corrections for the definitions you provided:
- 9. Presidential fitness test: A fitness test program recommended or promoted by the President or the Office of the President.
- 10. Muscle endurance: The ability of a muscle or group of muscles to sustain repeated contractions or maintain a level of force over an extended period.
- 11. Muscle strength: The maximum amount of force that a muscle or group of muscles can generate.
- 12. Cardiovascular endurance: The ability of the heart, blood vessels, and lungs to supply oxygen and nutrients to the muscles during sustained physical activity.
- 13. Coordination: The ability to integrate and harmonize different body parts and movements effectively to achieve a specific action or task.

- 14. Curl-ups: A physical exercise that involves flexing the abdominal muscles by lifting the upper body from a lying position to a sitting position.
- 15. Push-ups: A physical exercise that involves lowering and raising the body by straightening and bending the arms while in a prone position, primarily working the chest, shoulders, and triceps.
- 16. Sit and reach test: A fitness assessment that measures the flexibility of the lower back and hamstrings by sitting on the floor, reaching forward, and measuring the distance reached.
- 17. Shuttle run: A fitness test or exercise that involves running back and forth between two points, testing agility, speed, and coordination.
Please note that these definitions may vary slightly depending on the specific context or source of information.