Paper 1 Sketetal System

Question 1

What are the 5 joint types

Answer 1

• Pivot
• Ball and socket
• Gliding
• Hinge
• Condyloid

Also, saddle joints

Question 2

Two types of Skeleton

Answer 2

Axial and appendicular

Question 3

What is a joint

Answer 3

An area of the body where two or more bones articulate to create human movement

Question 4

Ligament

Answer 4

Connective tissue

Bone to bone

Question 5

Three types of bones

Answer 5

Flat bones: sternum, ribs, cranium

Long bones: Femur radius

Irregular bones: vertebrae- protects spinal cord

Question 6

What is a tendon

Answer 6

Collagen tissue attaching muscle to bone

Question 7

Three types of muscle fibres

Answer 7

• Slow oxidative
• Fast oxidative glycolytic
• Fast glycolytic

Question 8

Articular cartilage

Answer 8

Smooth tissue which covers the surface of articular bones to absorb shock and allow friction free movement

Question 9

Synovial fluid

Answer 9

Lubricating liquid contained within the joint cavity

Reduced friction and nourishes articular cartilage

Question 10

Planes of movement

Answer 10

Sagital
Frontal
Transverse

Question 11

Axis of rotation

Answer 11

Frontal
Transverse
Longitudinal

Question 12

Movement patterns

Answer 12

A description of the actions talking place at a joint

For example, Flexion and extension of the elbow joint

Question 13

Dorsi and plantar flexion

Answer 13

Dorsi = pointing toes up

Plantar = Pointing toes down

Question 14

Sagital plane movements

Answer 14

Flexion
Extension
Dorsi flexion
Plantar flexion

Question 15

Horizontal extension

Answer 15

Movement of the limbs away from the mid line of the body parallel to the ground

Question 16

Horizontal flexion

Answer 16

Movement of the limbs towards the midline of the body parallel to the ground

Question 17

Rotation

Answer 17

Movement whereby articulating bones turn about their longitudinal axis in a screwdriver action