Joints and Movement

These flashcards cover key concepts related to joints and movement as discussed in the lecture.

Joints

Connections between bones that allow movement and provide structural stability.

Fibrous Joint

A joint connected by fibrous connective tissue, exhibiting little to no movement.

Cartilaginous Joint

A joint connected by cartilage, allowing slight movement.

Synovial Joint

A joint characterized by a joint cavity filled with synovial fluid, allowing considerable movement.

Synarthrosis

A type of joint that is non-movable.

Amphiarthrosis

A type of joint that is slightly movable.

Diarthrosis

A type of joint that is freely movable.

Suture

A fibrous joint where opposing bones of the skull interdigitate and may ossify.

Gomphosis

A specialized fibrous joint that anchors teeth in their sockets via periodontal ligaments.

Synchondrosis

A cartilaginous joint united by hyaline cartilage, allowing little or no movement.

Symphysis

A cartilaginous joint where fibrocartilage unites two bones, allowing for slight movement.

Bursae

Pockets of synovial membrane and fluid that reduce friction in joints.

Flexion

Movement of a body part in the anterior direction relative to the coronal plane.

Extension

Movement of a body part in the posterior direction relative to the coronal plane.

Abduction

Movement away from the median plane of the body.

Adduction

Movement towards the median plane of the body.

Pronation

Movement of the forearm so that the palm faces posteriorly.

Supination

Movement of the forearm so that the palm faces anteriorly.

Arthritis

Inflammation of joints, which can result from various conditions.

Dislocation

The displacement of a bone from its normal joint position.

Sprain

An injury resulting from the overstretching or tearing of ligaments.