Joints

Question 1

Fibrous joints

Answer 1

Fibrous tissue holding the union of bones extremely tight and have little or no movement (sutures of the skull)

Question 2

Cartilaginous joints

Answer 2

United by hyaline cartilage which allows slight bending and from symphyses
(Symphysis pubis)

Question 3

Synovial joints

Answer 3

Most common and normally provide free movement between the bones they join; distinguishing features: joint cavity, articular cartilage, a synovial membrane, an a fibrous capsule

Question 4

Types of synovial joints

Answer 4

Plane: permit gliding or sliding movements (vertebral facets)
Hinge: movement in one axis (uniaxial joints, flex and extend)
Pivot: uniaxial joints which allows rotation around a longitudinal axis through a bone (atlantoaxial joint)
Condyloid: biaxial allowing motion in two directions (metacarpophylangeal joints)
Saddle: biaxial joints with opposing surfaces of the bones shaped like a saddle (concave and convex) (carpometacarpal joint in thumb)
Ball and socket: multiaxial articulations which are highly moveable joints (hip and shoulder)