Skeltal System Joints

Question 1

What are joints

Answer 1

Where 2 or more bones meet

Question 2

Three categories

Answer 2

Fixed
Semi - moveable
Freely movable

Question 3

Fixed joint meaning is

Answer 3

No movement after infancy
Examples. Cranium
Pelvis

Question 4

Semi moveable bones mean

Answer 4

Slight movement
Pad of cartilage between articulating bones
Examples. Between Vertebrae
Between Pubic bone

Question 5

Freely moveable joints also know as
Synovial Joints

Answer 5

-Largest amount of movement
-Bones don’t come together
-

Question 6

What is Synovial Fluid essential for

Answer 6

• help to absorb shock
• lubrication
• provides Nourishment to cartilage
  -cleaning - waste removal

Question 7

There are 5 major types of Synovial Joints

Answer 7

Ball & Socket
Hinge
Glinding
Pivot
Saddle

Question 8

Ball and socket examples

Answer 8

Hips and shoulders
Most moveable

Question 9

Hinge joints

Answer 9

Elbows and knees
Allows for extension And flexion
Open and close

Question 10

Glinding joints

Answer 10

Wrists and ankles ( blocky ) don’t open and close the slide past each other not smooth …..

Question 11

Pivot Joints is made up of 2 joints

Answer 11

Forearm also Radio - Ulna

Head and Neck. Also Atlas / Axis

Allows bones to twist or rotate against our stationery bone

Question 12

Saddle joint example

Answer 12

Thumb
Nice range of motion both
Concave and Convex

Question 13

Skeletal Anatomical position

Answer 13

Standing upright
Feet together
Arms hanging at the sides
Palms facing forward
Thumbs pointing out from body
Fingers extended