Name________________ Intro to Fitness Muscles Worksheet Fill in the line provided with the word(s) that best completes each statement. 1. The amount of weight that can be lifted one time is called ______________________________________________. (2 words) 2. The number of times a muscle group can repeat an exercise before tiring is called ____________________________________. (2 words) 3. Good muscular endurance and strength enables people to ______________________ longer without getting tired. 4. Good muscular strength increases lean body mass ___________________________ body fat. 5. Good muscular strength helps prevent osteoporosis by strengthening your _______________. 6. Having muscular endurance enables you to work or play longer with _______________ fatigue. 7. ________________ burns more calories than fat. 8. The force that acts against your muscles is called, _____________________________. 9. Identify the 3 kinds of muscle tissue: ____________________, ____________________, and ______________________. 10. ________________ muscle is located in the heart. 11.____________________ muscle tissue is located around bones and joints. 12. You have over _______________ skeletal muscles in your body. 13. When skeletal muscle ____________________, or shortens the bones and joints are forced to move. 14. _____________________ contraction occurs when the muscle shortens and then lengthens during the opposite movement; example bicep curls. 15. ______________________ contraction occurs when there is maximal effort against an immovable object, example; wall sits. Name________________ 16. To improve muscular endurance you need to gradually increase your ________________ and ________________ until you can do 3 by 25. When it becomes easy, you ____________________ your weight and start again. 17 The previous question involves the principles of ______________________ and _____________________________. 18. When you perform exercises to strengthen specific muscle groups you are applying the Principle of ____________________________. 19. As a teen, the center of your bones are ____________________ rapidly. By the age of __________ this cartilage has turned to _________________________. 20. ___________________________________________ (2 words) are synthetic drugs that are ___________________________ and dangerous. 21. Steroids resemble the male hormone ______________________. 22. One side effect for males who take steroids might be: ________________________________________________________ 23. One side effect for females who take steroids might be: ________________________________________________________ MUSCLE IDENTIFICATION: Using the skeletal/muscular diagram, identify the following muscles by their anatomical name. 1. CHEST: _________________________ 2. BACK: _________________________ 3. BACK SIDE OF THIGHS: _________________________ 4. STOMACH: _________________________ 5. FRONT OF UPPER ARM: _________________________ 6. BACK OF LOWER LEG: _________________________ 7. SHOULDER: _________________________ 8. FRONT SIDE OF THIGH: _________________________ 9. BACK OF UPPER ARM: _________________________ 10. SIDE OF TORSO: _________________________ 11. BUTTOCKS: _________________________ 12. UPPER BACK/NECK: _________________________