Module 05 Lab Worksheet: Skeletal Muscle and Joint Dissection of the Cat

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1.Compare and contrast the three types of joints according to structural
classification. Be sure to include the material binding the bones / structure together,
the amount of movement of the joint and the typical locations of each.
2.In your own words, explain the difference between origin and insertion of a muscle?
Why are these terms important when discussing muscle contraction?
3. In your own words, explain the difference between a tendon and ligament and how
the terms sprain and strain are associate with these terms. Also, describe the
structure and function of a bursa.
4. Describe the role of the following components within the knee joint: Articular
capsule, articular cartilage, meniscus, synovial fluid, anterior and, posterior cruciate
ligaments, medial and lateral collateral ligaments.
5.In your own words, describe the terms agonist, antagonist and synergist when
discussing muscle contraction. Identify and describe two different examples of
agonist and antagonist muscle pairs.
1. What are two specific characteristics/features that you found interesting with the
joint dissection of the cat?
2. Describe the features and characteristics you observed with the Achilles tendon on
the cat. What specific role does this tendon have in humans and if it were severed,

2. what specific motion would be impaired in humans? Tendonitis is a common
condition, in your own words, what is this condition and how does it impair muscle
physiology?
3. Arthroscopic knee surgery is a fairly common procedure. In your own words, briefly
describe this procedure and what type of complications it is used to treat.
4.Explain the relationship of ROM and stability in the shoulder (glenohumeral) joint.
Make sure to describe the role of the rotator cuff muscles (SITS) within the shoulder.
5.Osteoarthritis (OA) is a prevalent condition in our society. Describe what OA is, at
least two specific mechanisms that cause or lead to the development of OA, the
complications of OA and the various treatment procedures for it; medically and at
home therapies.