Joints

Question 1

Joint stability

Answer 1

-ability to resist dislocation
-prevents injuries to surrounding ligaments, muscles, and tendons
-high stability desired

Question 2

Contact area Vs stability

Answer 2

-wide contact area = high stability
- change in joint angle = change in contact area = change in stability

Question 3

Do weak and lax connective tissues have low or high stability?

Answer 3

Low stability

Question 4

Muscle activity and fatigue. High or low stability?

Answer 4

Decrease in stability

Question 5

Extremely low flexibility =

Answer 5

High chance of tear or rupture

Question 6

Extremely high flexibility =

Answer 6

Low stability
-imbalance between dominant and non-dominant sides

Question 7

Injury prevention for joints

Answer 7

High strength and flexibility

Question 8

3 types of joints

Answer 8

Synuarthrotic, symphyses, and Diathrotic/synovial

Question 9

6 joints

Answer 9

Hinge: ex. Elbow
Pivot: ex. Neck
Condyloid: ex. Mets carpels
Gliding: ex. Vertebrae or carpel/tarsals
Saddle: ex. Thumb
Ball and socket: ex. Shoulders or hip joints