Joints and Articulation Quiz

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What is the term for the movement of a bone away from the midline?

Abduction

Define hyperextension in terms of joint movement.

Continuation of extension beyond the anatomical position

Describe the rotational movement of the forearm where the hand and upper arm are turned inwards.

Pronation

Explain what dorsiflexion refers to in terms of foot movement.

Bending the foot in the direction of the dorsum (upper surface) Signup and view all the answers

What type of joint allows motion along a single plane and resembles that of a mechanical hinge?

Hinge joint Signup and view all the answers

Define circumduction in terms of joint movement.

A movement in which the distal end of a bone moves in a circle while the proximal end remains stable Signup and view all the answers

What distinguishes synovial joints from other types of joints?

Synovial joints have a space between the articulating bones. Signup and view all the answers

How does the fit of a joint influence its range of movement?

Tighter fits restrict movement, while looser fits allow greater movement but are more prone to dislocation. Signup and view all the answers

What factors determine the movement capability of a joint, apart from the joint structure itself?

The flexibility of connective tissue ligaments, joint capsules, and the position of ligaments, muscles, and tendons. Signup and view all the answers

Differentiate between the three types of fibrous joints and provide an example of each.

Sutures (e.g., between skull bones), syndesmoses (e.g., between certain long bones), and gomphoses (e.g., teeth in their sockets). Signup and view all the answers

How do cartilaginous joints differ from fibrous joints in terms of movement capability?

Cartilaginous joints allow slightly more movement than fibrous joints, which permit no movement. Signup and view all the answers

Explain the structural basis for the classification of joints into fibrous, cartilaginous, and synovial types.

The classification is based on the presence or absence of a synovial cavity and the type of connective tissue (fibrous or cartilaginous) binding the bones. Signup and view all the answers

Joints and Articulation Quiz

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