Homework
Length: 750 to 1250 words.
Select four of the following questions and answer each in an essay format. Be sure to include an introduction and a conclusion for the homework.
a. What is the difference between a muscle's origin and its insertion? How are the muscles of facial expression different from most other muscles?
b. How do respiratory muscles function to produce breathing?
c. What are the rotator cuff muscles? What are the functions of the rotator cuff?
d. Describe the structural and functional relationship between neurons and skeletal muscle fibers. What is an action potential and which ions are involved?
e. How does a muscle fiber generate tension through crossbridge cycling and why does an increase in calcium ions cause muscle contraction?
f. Compare and contrast three types of muscle contraction. How does a muscle fiber change with endurance training, resistance training, and disuse?
Format your homework according to the give formatting requirements:
a. The answer must be double spaced, typed, using Times New Roman font (size 12), with one-inch margins on all sides.
b. The response also includes a cover page containing the title of the homework, the course title, the student's name, and the date. The cover page is not included in the required page length.
c. Also include a reference page. The references and Citations should follow APA format. The reference page is not included in the required page length.