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Test your knowledge of muscle anatomy with these challenging questions covering muscle names, actions, lever systems, and more.
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What does the name flexor carpi radialis longus tell you about this muscle? a. its size b. its action c. its location d. all of the above
The term _____ means muscle fascicles that run straight while the term _____means the fascicles run at a slant. a. transverse; rectus b. rectus; oblique c. lateral; transverse d. orbicularis; oblique
Which muscle is paired correctly with its fascicle arrangement? a. biceps brachii / parallel b. rectus femoris / unipennate c. pectoralis major / multipennate d. orbicularis oris / unipennate
The joint between the occipital bone of the skull and the first cervical vertebra (atlas) is part of which type of lever system? a. first-class lever system b. second-class lever system c. third-class lever system d. fulcrum/load/applied force lever system
Muscle A abducts the humerus, and muscle B adducts the humerus. What is the relationship between these two muscles? a. synergists b. antagonists c. agonists d. fixators
Which of the following is true about origins and insertions of skeletal muscles? a. The position of the origin and insertion is based on the anatomical position. b. If a muscle extends from a broad aponeurosis and then to a narrow tendon, the aponeurosis is the origin. c. If the muscle has several tendons at one end and a single tendon at the other end, then the single tendon end is the insertion. d. All statements above are true.
Damage to the external intercostal muscles would interfere with what important process? a. standing upright b. walking c. breathing d. digesting
If someone hit you in your rectus abdominis muscle, how would your body position change? a. You would lean to the right. b. You would bend backward. c. You would double over. d. You would twist to the left.
If you were contracting and relaxing your masseter muscle, what would you probably be doing? a. chewing b. kissing c. nodding d. smiling
You often hear of athletes who suffer a pulled “hamstring.” To what does this phrase refer? a. biceps femoris, gracilis, and adductor magnus damage b. rectus femoris, vastus lateralis, and vastus medialis damage c. sartorius, gracilis, and rectus femoris damage d. semitendinosus, biceps femoris, and semimembranosus muscle damage