What are the three bones that make up the human shoulder?
Q: What are the three bones that make up the human shoulder?
A: The three bones that make up the human shoulder are the clavicle (collarbone), scapula (shoulder blade), and humerus (upper arm bone).
Q: What is the joint where the humerus attaches to the scapula?
A: The joint where the humerus attaches to the scapula is called the shoulder joint.
Q: What type of cartilage is found on the ends of bones in a shoulder joint?
A: The type of cartilage found on ends of bones in a shoulder joint is articular cartilage, which allows for smooth movement between bones.
Q: How does arthritis affect a shoulder joint?
A: Arthritis causes wear and tear on articular cartilage, resulting in pain and stiffness in a shoulder joint.
Q: What kind of cartilage is distinct from articular cartilage found only around socket joints?
A: The kind of cartilage distinct from articular cartilage found only around socket joints is labrum, which is more fibrous or rigid than articular cartilage.
Q: Why must shoulders be both mobile and stable?
A: Shoulders must be both mobile and stable to allow for wide range actions such as lifting, pushing, pulling, and other movements with arms and hands.
Q: Why do shoulders have more problems than other joints like hips?
A: Shoulders have more problems than other joints like hips because there needs to be a compromise between mobility and stability that results in many potential issues with shoulders.
