1. A/an _______________ is a circular muscle that controls a body opening.

2. The perimysium of a muscle separates one _______________, or bundle of musclefibers, from another.

3. In a _______________ muscle, the fascicles converge toward each end, so theends of the muscle are tapered and there is a thick middle belly.

4. The _______________ at a given joint is the muscle that is mainly responsiblefor a given motion, while an _______________ is a muscle that opposes that action.

5. A/an _______________ muscle is one found entirely within a certain region ofstudy, such as the hand or eye, while a/an _______________ muscle is one that acts on that region butoriginates somewhere outside of it.

6. The _______________ major and minor draw the corners of the mouth upward whenyou smile.

7. The _______________ and _______________ muscles elevate the mandible when you take a biteof food.

8. The _______________ muscle originates on the clavicle and sternum and insertson the mastoid process of the temporal bone.

9. The muscles most involved in inhaling are the _______________ between theribs and the _______________ between the thoracic and abdominal cavities.

10. The medial, superficial muscle of the abdomen, extendingvertically from pubis to sternum, is the _______________.

11. The large, four-headed muscle of the anterior aspect of thethigh is the _______________.

12. The triangular muscle of the shoulder, where injections areoften given, is the _______________.

13. Tendons of the infraspinatus, supraspinatus, subscapularis, andteres minor muscles form the _______________, a common site of sports injuries.

14. The synergist of the biceps brachii, just deep to it, is the_______________.

15. The _______________ and _______________ muscles of the calf insert on the calcaneus byway of the calcaneal (Achilles) tendon.

Copyright ©1998 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.
For further information about this site contact mhhe_webmaster@mcgraw-hill.com.