Noelbugtongviz Noelbugtongviz Physical Education Answered 11. It is the amount of force your muscles can produce A. Flexibility B. Muscular Strength C. Muscular endurance D. Agility 12. The ability to maintain equilibrium while stationary or moving. A Balance B. Agility C. strength D. endurance 13. An exercise that measures the strength of the upper extremities. A Curl Up B. Zipper Test C. Sit and Reach D. Push Up 14. It refers to the emergency or immediate care you should provide when a person is injured or ill until full medical treatment is available. B. Medicare A First aid D. Emergency care C. Health care