Joints and movements

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Which joint type can perform rotation movements?

ball and socket

An example of a slightly movable joint or amphiarthrosis is

synchondrosis or the cartilage between the ribs and the sternum and the pubic symphysis

In a synovial joint, _________ tie muscles to bones

tendons

An example of a cartilaginous joint is...

the pubic symphysis or the discs between verebrae

Fibrous joints...

do not have a joint capsule and are composed of fibrous connective tissue

Skull bones are joined by tight connections representing a fibrous joint are called

sutures

An example of an immovable joint or synarthroses is

sutures in the skull

Joints can also be classified by movement. The 3 categories of joints cased on movement are

synarthrosis (immovable), amphiarthrosis (slightly movable), and diarthrosis (freely movable)

Cartilaginous joints are

composed of cartilage and are slightly movable

Fibrous cartilage discs that act as shock absorbers in joints are called ______

menisci

________ is a movement that occurs in the anterior-posterior plane and increases the angle between the articulating bones. An example would be straightening your elbow.

Extension

The 3 categories of joints based on structure are

Fibrous, cartilaginous, and synovial

Movement in the anterior-posterior plane that decreases the angle between articulating bones is which movement?

Flexion

The knee is an example of a (n)

freely movable, synovial joint

The special movement of the thumb that allows it to grasp an object and hold onto it is called

opposition

Moving the arm in a loop is an example of which angular movement?

Circumduction

Which of the following is a function of synovial fluid?

Decrease friction within joint

A synovial joint structurally has

a joint cavity and movement

An example of a freely movable joint or diarthroses is

a synovial joint

A movement away from the longitudinal axis of the body in the frontal plane

abduction

A movement toward the longitudinal axis of the body in the frontal plane (toward the middle of the body) is termed

adduction

Typical movements at a hinge joint include

extension and flexion

Movements of the vertebral column are limited to

flexion and extension, lateral flexion, and rotation

Found outside or inside a joint capsule, structures that join bone to bone are called

ligaments

A twisting motion of the foot that turns the sole inward is termed

inversion


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