Joints

Question 1

What is a joint? What do they do?

Answer 1

(articulation) the coming together of 2 or more bones,. Only exception is the hyoid bone, which anchors the tongue.
joints hold our bones securely together and make movements possible

Question 2

What is synarthroses?

Answer 2

non moving joints. Fibrous connective tissues that grow between articulating bones; example: sutures of skull

Question 3

What is amphiathroses?

Answer 3

Joints that allow for slight movement. Cartilage connects articulating bones; example: pubic symphysis

Question 4

What is diarthroses?

Answer 4

Free moving, most joints. Synovial joints. Ex. knee

Question 5

What is a bursa?

Answer 5

A sack of synovial fluid near a joint

Question 6

What are the 6 types of joints? What are some examples of each type?

Answer 6

• Ball and socket joint: shoulder joint
• Hinge joint: elbow
• Saddle joint: carpometacarpal joint
• Pivot joint: head of radius against ulna
• Condyloid joint: atlantooccipital joint
• Gliding joint: articular processes between vertebrae

Question 7

What is a ligament?

Answer 7

Connects bone to bone

Question 8

What is arthritis? What are the 3 types?

Answer 8

• Inflammation of any joint
  ex.
• gouty arthritis: inflammation due to excessive uric acid in body (pain in foot that migrates to big toe)
• osteoarthritis: degenerative joint disease that causes inflammation of bone and joint. loss of articular cartilage and formation of bone spurs at articular surfaces, can occur in any joint.
• rheumatoid arthritis: autoimmune reaction against joint tissues (synovial membrane). often accompanied by joint deformity

Question 9

What is carpal tunnel?

Answer 9

Compression of median nerve that passes between transverse ligament and bones and tendons of the wrist