ch 9 part 2 anatomy

Question 1

What helps produce synovial fluid?

Answer 1

Inner synovial membrane

Question 2

Functions of articular cartilage

Answer 2

Reduces friction, resist compression, and avascular

Question 3

What is joint cavity?

Answer 3

Space between joint bones lined by synovial membrane secreting synovial fluid

Question 4

Ligament’s purpose

Answer 4

1 stabilizer of joints, dense regular CT, stabilize and strength

Question 5

What are extrinsic ligaments?

Answer 5

Separate from joint capsule

Question 6

What are intrinsic ligaments?

Answer 6

Include ligaments outside and within the joint capsule

Question 7

Tendon’s purpose

Answer 7

2 stabilizer, dense regular CT

Question 8

Proprioceptors purpose

Answer 8

Knowing where your body is in time

Question 9

What are bursae?

Answer 9

Fibrous, lined internally by synovial membrane and found where joints rub together to help reduce friction

Question 10

What are tendon sheaths?

Answer 10

Elongated bursae, wraps around tendons where there’s friction

Question 11

What are fat pads?

Answer 11

Adipose for protecting packing material in joint

Question 12

Classes by shape of joint surfaces

Answer 12

Plane, hinge, pivot, condylar, saddle, ball-and-socket joints

Question 13

What are the 6 general features of a synovial joint

Answer 13

Articular, joint capsule, synovial membrane, synovial fluid, ligaments, articular cartilage (menisci)

Question 14

What is plane joint?

Answer 14

Uniaxial, Flat, least mobile, gliding movements

Question 15

What is hinge joint?

Answer 15

Uniaxial, moving elbow like door

Question 16

What is pivot joint?

Answer 16

Uniaxial, rounded surface, rotation

Question 17

What is condylar joint?

Answer 17

Biaxial, oval movement; fingers

Question 18

What is saddle joint?

Answer 18

Biaxial, metacarpals and hand

Question 19

What is ball-and-socket joint?

Answer 19

Multiaxial; hip and shoulder