4.4 Joints and Ligaments Flashcards
What are the different types of joint classifications?
fibrous
cartilaginous
synovial
What are fibrous joints? What is an example?
immovable joints; cranial bones
What are cartilaginous joints? What is an example?
slightly moveable; vertebra and pelvic bones
When does the pelvic joint become more flexible and why?
pregnancy; due to hormonal changes
What are synovial joints?
freely moveable joints
What are ligaments?
fibrous connective tissue that joins bones together
What is the joint capsule formed by?
ligaments
What is the joint capsule lined by?
synovial membrane
What does the synovial membrane produce and what is its function?
synovial fluid, to lubricate the joints
What are the different types of synovial joints?
hinge joints
ball and socket joints
saddle joint
pivot joint
What are hinge joints and what is an example?
permit movement in one direction only; knee and elbow
What are ball and socket joints and what is an example?
allow movement in all planes and rotational movement; hip and shoulder
What is a saddle joint and what is an example?
thumb; free movement over the palm
What is a pivot joint and what is an example?
allows rotational movement; joint of C1 and C2
Where does the clavicle connect to?
manubrium of the sternum anteriorly
acromion process of the scapula posteriorly