Skeletal System

Question 1

What is the function of the skeleton?

Answer 1

Support
Protection
Movement
Shape
Production of red blood cells&mineral salt storage

Question 2

What are the types of joints? Examples?

Answer 2

Ball and socket-hip and shoulder
Pivot-Atlas and axis at the neck
Hinge-knee, elbow and ankle
Condyloid-wrist

Question 3

What are tendons and ligaments?

Answer 3

Tendons-attach bone to muscle

Ligaments-attach bone to bone

Question 4

What are synovial joints?

Answer 4

Allow free movement. They have common features but differ in structure, allowing a range of motion

Question 5

What are the planes of movement?

Answer 5

Sagittal
Horizontal
Frontal

Question 6

Outline the sagittal plane

Answer 6

• cuts body into left and right sections
• flexion and extension occurs
• plantar flexion and dorsiflexion occur
• movements occur parallel to plane

Question 7

Outline the horizontal plane

Answer 7

•rotation occurs in horizontal plane
•lateral & medial rotation 
(lateral rotation occurs away from the midline of the body, medial occurs towards)
•pronation and supination
•horizontal adduction and abduction

Question 7

Outline the frontal plane

Answer 7

•cuts the body into front and back
•adduction and abduction occur
•lateral flexion, inversion, eversion, elevation and depression all occur
(Lateral flexion is bending the trunk sideways away from midline)
(Inversion&eversion-kicking phase of breaststroke)