Across
- 1. Irregular or abnormal heartbeat
- 6. Uses oxygen over time (running, swimming)
- 8. Muscle tightens without moving (plank)
- 10. Ligament injury
- 12. procedure for treating injuries
- 13. Weak bones that break easily
- 15. Synthetic hormones that build muscle but can harm health
- 17. Short bursts without oxygen (sprinting, lifting)
- 19. Muscle shrinking from not using it
Down
- 2. Fat build-up in arteries blocking blood flow
- 3. Brain injury caused by a hard hit to the head
- 4. Breathing problem that narrows airways
- 5. Broken bone
- 7. Sudden sleep attacks
- 9. Trouble falling or staying asleep
- 11. Controlled muscle movement using machines
- 14. Muscle or tendon injury
- 16. Muscle moves against resistance (push-up)
- 18. High blood pressure