🔬 Biology · Locomotion and Movement · NEET

A ball-and-socket joint, allowing movement in many directions, is found at the:

Answer: shoulder.

A shoulder
B the knee
C the elbow
D the skull

Correct answer: A. shoulder

Explanation: The shoulder (and hip) is a ball-and-socket joint permitting wide movement.

Structure of a sarcomere showing thick myosin filaments and thin actin filaments with the Z line, M line, A band, I band and H zone labelled

A sarcomere (Z line to Z line): during contraction the I band and H zone shorten as thin filaments slide over thick, while the A band stays the same length. Image: SlothMcCarty, CC BY-SA 3.0, via Wikimedia Commons.

Concept context

Types of movement, muscle contraction, skeletal system, joints, and disorders. Important for Class 11 and NEET.

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A ball-and-socket joint, allowing movement in many directions, is found at the:

Concept context

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