joints

Question 1

intervertebral joints

Answer 1

• gliding joints at articular processes with vertebrae
• symphyseal joints between adjacent vertebrae bodies

Question 2

glenohumeral joint

Answer 2

shoulder
* unstable, most movable joint
*which bones articulate
humerus, scapula, clavicle
* where do they articulate
glenoid cavity
* what type of synovial joint/movement
ball and socket, diarthroses

Question 3

humeroulnar joint

Answer 3

elbow
*humeral trochlea and trochlear notch of ulna
*hinge and pivot, limited movement, stable

Question 4

humeroradial joint

Answer 4

elbow
*capitulum of humerus and radial head
*biceps brachii attached to radial tuberosity

Question 5

acetabulofemoral joint

Answer 5

hip
*ball and socket, diarthroses with triaxial movement
* acetabulum articulates with head of femur

Question 6

acetabular labrum

Answer 6

seals in synovial fluid and increases depth of cavity

Question 7

tibiofemoral joint

Answer 7

knee
* complicated hinge joint with a thin articular capsule
*weight transfer from femur to tibia
*femoral condyle articulates with the tibial plateau

Question 8

articular capsule

Answer 8

envelope surrounding a synovial joint for support

Question 9

articular cartilage

Answer 9

smooth durable covering for low friction articulation on ends of bones

Question 10

synovial membrane

Answer 10

produces synovial fluid
lines the inside of the joint capsule

Question 11

synovial fluid

Answer 11

secreted by fibroblasts in synovial membrane
- lubricates
- distributes nutrients
- absorbs shock
contains proteoglycans and hyaluronic acid