Articulations

Question 1

Synarthroses

Answer 1

Immovable
sutures
syndesmosis

Question 2

Amphiarthroses

Answer 2

slightly movable
Synchondroses
Symphyses

Question 3

Diarthroses/synovial

Answer 3

freely movable
Articular cartilage
articular capsule
synovial fluid

Question 4

Functions of articular cartilage

Answer 4

spreads load over wide area
provides lubrication/minimizes friction

Question 5

Articular fibrocartilage

Answer 5

soft tissue discs or menisci that intervene between articulating bones

Question 6

Articular fibrocartilage function

Answer 6

distribute loads
improving the fit of articulations
limiting slip between bones
protection
lubricating the joint
absorbing shock at joint

Question 7

Joint Stability

Answer 7

ability of a joint to resist abnormal displacement of the articulating bones

Question 8

Factors increasing joint stability

Answer 8

Absence of muscle fatigue
strong array of tendons and ligaments
a closely reciprocating match of articulating bone surfaces

Question 9

Joint flexibility

Answer 9

a description of the relative ranges of motion allowed at a joint in different directions

Question 10

Range of Motion

Answer 10

the angle through which a joint moves in a particular direction

Question 11

Factors influencing flexibility

Answer 11

Muscle fatigue
Tightness/laxity in the muscle
Intervening bony or muscle tissue at end range