The shoulder and hip are examples of ball and socket joints.
Briefly describe the structural differences between the two and how this impacts the available motions at each joint.
The Correct Answer is ["The shoulder and hip are examples of ball and socket joints"]
Briefly describe the structural differences between the two and how this impacts the available motions at each joint.
Answer and explanation.
The shoulder and hip are both ball and socket joints, which means they have a round end of one bone that fits into a small cup-like area of another bone.
However, the shoulder joint is more mobile than the hip joint, which means it can move in more directions, but it is also more unstable and prone to dislocation.
The hip joint is more stable than the shoulder joint, which means it can support more weight and force, but it has less range of motion.
The shoulder joint allows for eight different movements: flexion, extension, abduction, adduction, internal rotation, external rotation, horizontal abduction, and horizontal adduction.
The hip joint allows for six different movements: flexion, extension, abduction, adduction, internal rotation, and external rotation.
The shoulder joint has a larger socket than the hip joint, which gives it more freedom of movement.
The hip joint has a smaller socket than the shoulder joint, which makes it more secure and stable.
The shoulder and hip joints are both important for many daily functions and activities.
They are also both susceptible to injuries and conditions such as osteoarthritis, inflammatory arthritis, and labrum tears.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["Clavicular notch"]
Explanation
The clavicular notch, also known as the sternal notch, is a shallow, V-shaped depression located at the superior aspect of the sternum, which is the long, flat bone in the center of the chest.
The clavicular notch serves as the articulation site for the medial end of the clavicle bone, forming the sternoclavicular joint.
This joint allows for movements of the clavicle and shoulder girdle, including elevation and depression of the shoulder and rotation of the scapula
.
Correct Answer is ["Occipital bone"]
Explanation
The occipital bone is a flat, unpaired bone located at the posterior aspect of the skull, forming the lower part of the back of the head.
It features several surface landmarks, including the external occipital protuberance, which serves as an attachment site for muscles and ligaments.
The occipital bone also contains several foramina, including the foramen magnum, which allows the spinal cord to pass through and connect to the brain.
The occipital bone is an important site for the attachment of muscles involved in head movement and posture.
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