Joints

Question 1

Types of synovial joints

Answer 1

Hinge
Bicondylar
Ellipsoid/condylar
Saddle
Ball and socket
Pivot
Plane

Question 2

Types of solid joints

Answer 2

Sutures
Symphyses

Question 3

Amphiarthroses

Answer 3

Minimal movement

Question 4

Synarthoses

Answer 4

No movement

Question 5

Diarthroses

Answer 5

Movement

Question 6

Hinge joint

Answer 6

Move on one axis
Convex surface fits into concave surface

Ex: ip joints and elbow

Question 7

Bicondylar

Answer 7

Move freely in one axis and with minimally in another (biaxial)
Two rounded condylars interact with flat/concave surface

Ex: knee

Question 8

Ellipsoid joint

Answer 8

Move freely in two axes
One rounded convex bone into concave surface
Ex: mcp joints

Question 9

Saddle joint

Answer 9

Like sitting in saddle
Allows for flex/ext, add/abd and rotation

Ex: first cmc joint

Question 10

Ball and socket

Answer 10

Multi-axial
One ball end goes into deep concave pocket

Ex: shoulder/hip

Question 11

Pivot joint

Answer 11

Rotates only-uniaxial

Ex: radioulnar joint, atlanto-axial joint

Question 12

Plane joints

Answer 12

Sliding joints and non-axial
Minimal sliding/gliding motion

Ex: 2nd-5th cmc joints

Question 13

Sutures

Answer 13

Connected by connective tissue=sutural ligaments
No movement in adulthood
Ex: only in skull

Question 14

Symphyses

Answer 14

Interconnect bones with a fibrocartilage discs. Have layer of hyaline cartilage and supported by ligaments
Amphiarthosis

Ex: symphysis pubis and intervertebral disc