Biology 2404 A&P Basics                  Lecture Quiz                Dr. Weis

                                              Muscular System        

1.  Define origin and insertion of a muscle tendon.

2.  Fill in the blank for the opposing movement :

            a) flex  and ___________________

            b) adduction and _____________________

            c) pronation and _________________________

            d) inversion and ___________________________

            e) medial rotation and ______________________

            f) depress and ______________________________

3. Define isometric and isotonic

4.  Complete the following :

            a) name an elbow extensor  muscle :

            b) name a muscle of facial expression :

            c) name a muscle that flexes the knee :

            d) name a muscle that moves the rib cage :

5. Describe three histological characteristics of skeletal muscle :

            a)

            b)

            c)

6.  Name four functions of skeletal muscle :

            a)

            b)

            c)

            d)

7.  The functional contractile unit of skeletal muscle is called the :

8.  Define muscle twitch :

9. Name two sources of energy for skeletal muscles :

            a)

            b)

10.  Define motor unit :

Extra Credit :

Name two muscle that can be used as an injection site for I.M. medications :