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 ["Posterior sacral foramina"]
Explanation
The posterior sacral foramina are openings located on the posterior aspect of the sacrum bone, which is part of the pelvis.
They are paired structures that allow the sacral nerves and blood vessels to pass through and exit the sacrum.
There are typically four pairs of posterior sacral foramina, located at the lateral margins of the sacrum.
These foramina are important for the transmission of nerve signals and blood supply to the lower limbs and pelvic organs.
Correct Answer is ["Intercondylar eminence of the tibia"]
Explanation
The intercondylar eminence of the tibia is a prominent bony ridge located on the superior aspect of the tibial plateau, which is the top surface of the tibia bone that articulates with the femur.
The eminence separates the two condyles of the tibia and serves as an attachment site for several ligaments, including the anterior and posterior cruciate ligaments of the knee joint.
These ligaments play a critical role in stabilizing the knee joint and preventing excessive forward or backward movement of the tibia relative to the femur.
The intercondylar eminence also provides a surface for the menisci, which are C- shaped fibrocartilaginous structures that help absorb shock and distribute forces in the knee joint.
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