Soc 13: Joins, Movement, Ligaments And Tendons

Question 1

What are the 4 types of joint?

Answer 1

Pivot
Hinge
Ball and socket
Condyloid

Question 2

Examples of a pivot joint

Answer 2

Allows bone to rotate (neck)

Question 3

Example of hinge joint

Answer 3

A joint that allows onky backwards and forwards motions (elbow)

Question 4

Example of a ball and socket joint

Answer 4

The rounded head of a lomg bone fits into a cup sized hole (hip)

Question 5

Example of a condyloid joint

Answer 5

Rests against the end of a bone rather than inside a socket (wrist)

Question 6

What are the 8 movements and examples

Answer 6

Flexion- shoulder,hip elbow
Extension- shoulder hip
Adduction- shoulder hip
Abduction- shoulder hip
Rotation- shoulder hip
Circumduction- shoulder hip
Dorsi flexion- ankle
Plantar flexion- ankle

Question 7

What are 5 functions of the skeletal system

Answer 7

Protection for vital organs, produce white and red blood cells, joint movement, storing calcium and phosphorus and muscle attachment

Question 8

What is a Ligament?

Answer 8

Ligaments are elastic fibers that join one bone to another, usually to hold things together and keep them stable. They keep your skeleton supported whilst allowing movement.

Question 9

What is a Tendon?

Answer 9

Tendons are non-elastic fibres that attach muscle to bone, and help to move them. Tendons let you apply power and movement. Tendons grow in strength the more you use them.