객관식
What part of the humerus articulates with the scapula to form the shoulder joint?
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8. Joints
Introduction to Joints
객관식
The hip is an example of which type of joint?
A
Pivot joint
B
Saddle joint
C
Ball-and-socket joint
D
Hinge joint
검증된 단계별 안내1
Step 1: Begin by understanding the classification of joints in the human body. Joints are categorized based on their structure and the type of movement they allow. The major types include pivot, saddle, ball-and-socket, and hinge joints.
Step 2: Review the characteristics of a ball-and-socket joint. These joints allow movement in multiple planes, including rotation, making them highly versatile. Examples include the hip and shoulder joints.
Step 3: Compare the hip joint to other types of joints listed in the problem. For instance, pivot joints allow rotational movement around a single axis (e.g., the joint between the first and second cervical vertebrae), saddle joints allow movement in two planes (e.g., the thumb joint), and hinge joints allow movement in one plane (e.g., the elbow).
Step 4: Identify the anatomical structure of the hip joint. The hip joint consists of the femoral head (ball) fitting into the acetabulum of the pelvis (socket), which is characteristic of a ball-and-socket joint.
Step 5: Conclude that the hip joint is a ball-and-socket joint based on its structure and the range of motion it provides, which includes flexion, extension, abduction, adduction, and rotation.
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