Skeletal System - Joints

Question 1

joints

Answer 1

• known as articulations
• the place of union between two or more bones
• classified by their construction or based on the degree of movement allowed

Question 2

fibrous

Answer 2

do not allow movement - skull

Question 3

cartilaginous

Answer 3

allow only slight movement; bones connected by cartilage; examples are: between the sternum and ribs and the pubic symphysis

Question 4

synovial joints

Answer 4

• allow a variety of movement
• ball-and-socket joints: hip and shoulder
• hinge joints: knees and elbows
• synovial membrane lines the capsule and secretes synovial fluid
• ligaments: bands of fibrous tissue that form joints, connect one bone to another or bone to cartilage
• bursa: a fibrous sac acts as a cushion to prevent friction in a joint, between a tendon and a bone