Anatomy

Movement in the human body is possible due to specific interactions between the nervous, muscular and
skeletal systems. For this paper, you will describe these interactions as your body goes through specific actions.

Scenario
You see a delicious cookie on the table in front of you. You decide you will try one. To do this you must:
1) Lift your arm directly in front of you to reach for the cookie – you produce movement at the shoulder
2) Grasp the cookie with your fingers and your thumb – you produce movements at the MP joints
3) Bring the cookie to your mouth – you produce movement at your elbow

Required Elements
The paper must have the following elements as you describe how getting this cookie to your mouth is possible:
1) APA Style: The paper should written in APA style, have an abstract, separate sections with headings, a
bibliography page & be properly sited. See link in blackboard for specifics

2) An Introduction: Introduce the topic by explaining the role each system plays in movement and how
these systems interact to produce movement in general (no specific movements here). The introduction
should be a thorough discussion of the topic before you get specific.

3) Motor Pathway: The specific path the nerve signal travels through the brain, spinal cord and spinal
nerves so that the conscious thought that starts in the brain “I will pick up the cookie” reaches the
muscles and causes movement at the joint. (The motor pathway as discussed in class) – This is
described only once in general, NOT for each specific movement!

4) Nerve Physiology: The mechanism by which the nerve signal is initiated in the neuron, propagated down
the axon and passed to the muscles (Nerve physiology as discussed in class)

5) Muscle Physiology: The mechanism by which the muscles are stimulated by the nerve and then contract,
including sliding filament theory (Muscle Physiology as discussed in class).

6) Descriptions of the interaction between the nerves, muscles and bones for each movement: you should
describe specifically what happens when going through movements 1-3 above. Be sure to:
a. Name the movements that occur at the joints (flexion, elevation, extension abduction etc.).
b. Name the specific nerves that stimulate the specific muscles to pull the specific bones to produce
movements you identified at the joint.

Sample Solution

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