A high school student comes to the emergency room complaining of persistent pain and stiffness in her shoulder joint. In talking with her, you discover that she has been spending many hours trying to improve her pitching skills for her school's softball team. What is likely causing the pain?
Her pain is probably caused by injury to the rotator cuff, which can result from repetitive motion, trauma, or excessive force. The rotator cuff consists of the tendons of four muscles that stabilize the shoulder joint. If torn, surgical repair may be indicated.
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A. Subclavian veins B. External jugular veins C. Superior vena cava D. Vertebral veins E. Brachiocephalic veins
Nonsteroid hormones cause _________________ in their target cells
A) activation of adenylate cyclase B) cyclic AMP to be decomposed C) inactivation of adenylate cyclase D) cyclic AMP to become ATP
The perichondrium is a layer of dense irregular connective tissue surrounding __________.
A. a bone B. most cartilage C. a blood vessel D. the brain and spinal cord E. the pericardial cavity
The primary function of the abdominal muscles is not to flex the spine, but to hold the abdominal organs in place.
Answer the following statement true (T) or false (F)