Lab 8: Joints

Question 1

suture (features + movement + example)

Answer 1

dense fibrous connective tissue, immoveable (synarthrosis)

Question 2

gomphosis (features + movement + example)

Answer 2

periodontal ligament, immovable (synarthrosis) tooth socket

Question 3

syndesmosis (features + movement + example)

Answer 3

dense fibrous connective tissue, slightly moveable (amphiarthrosis) radial ulnar connection

Question 4

synchondrosis (features + movement + example)

Answer 4

hyaline cartilage, immovable (synarthrosis), epiphyseal plates, sternochostal joint

Question 5

symphysis (features + movement + example)

Answer 5

fibrocartilage, slightly moveable (amphiarthrosis), pubic symphysis, intevertebral discs

Question 6

synostosis (features + movement + example)

Answer 6

immoveable joint (synarthrosis) where two bones fused during development, left/right mandible bones

Question 7

ball-and-socket (movement + example)

Answer 7

movement in all axis (diarthrosis + multiaxial) hip,shoulder

Question 8

hinge joint (movement + example)

Answer 8

flexion and extension (diarthrosis + uniaxial) elbow, knee, interphalangeal

Question 9

condylar (movement + example)

Answer 9

flex, extend, abduct, adduct (diarthrosis + biaxial) / radiocarpal, metacarpophalangeal

Question 10

pivot (movement + example)

Answer 10

rotation (diarthrosis + uniaxial) / radioulnar at elbow , dens of axis

Question 11

saddle (movement + example)

Answer 11

variety of movement (diarthrosis + biaxial) / base of thumb [metacarpal I] + trapezium

Question 12

plane (movement + example)

Answer 12

sliding or twisting (diarthrosis + nonaxial) / intercarpal joints