BIOS 251 Week 7 Case Study: Joints
Answer the following questions and save your responses in a Microsoft Word document. Provide a scholarly resource in APA format to support your answers.
Describe the different classes of joints based on structure and function.
What class of synovial joint i...
answer the following questions and save your responses in a microsoft word document provide a scholarly resource in apa format to support your answers describe the
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Joints 1
Week 7 Case Study:
Joints Student Name
Chamberlain University College of Nursing
Anatomy & Physiology 1 with Lab
October 17th, 2021
, Joints 2
Answer the following questions and save your responses in a
Microsoft Word document. Provide a scholarly resource in APA format
to support your answers.
1. Describe the different classes of joints based on structure and function.
2. What class of synovial joint is located in the knee?
3. Describe the location and function of the ACL.
4. What does the doctor mean by hemarthrosis?
5. Do you think Eli will be able to play next year in college? Explain.
Structural Classification of Joints:
Fibrous joint - The fibrous joint is present between nearby bones and is connected by the dense
connective tissue. It lacks a synovial cavity so it has little to no movement.
Cartilaginous joint - The cartilaginous joint is present between the bones and is connected by the
hyaline cartilage. It has no synovial joints, but allows little movements.
Synovial joint - The synovial joint is present between bones where it allows free movement. Has
synovial cavity making it freely moveable. These types of joints are divided into 6 categories that
are based on their movements: plane, hinge, pivot, condyloid, saddle, and ball and socket joint. A
plane joint is flat or slightly curved, allowing for back-and-forth and side-to-side movement
between the flat surfaces of bones. A hinge joint is a convex surface of the bone that fits into the
concave surface. Like a hinged door, it creates angular and open-close action while only
allowing flexion-extension movement. A pivot joint is A ring created by another bone and the
ligament articulates with the rounded/pointed surface of one bone. It can only be rotated around
its longitudinal axis. A condyloid joint is one bone's oval-shaped protrusion that fits into another
bone's oval-shaped depression. It's a bi-axial, meaning it can move about two axes. A saddle joint
is one bone's articular surface resembles a saddle, and the other bone fits into it. The movements
are biaxial, allowing for limited circumduction and flexion-extension as well as abduction-
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