Muscle Types

Question 1

What is a voluntary muscle type

Answer 1

It enables movement

Question 2

What is an involuntary muscle type

Answer 2

It’s essential in maintaining body systems. It helps us move substancea around the body, allowing us to keep cells supplied with O2 and nutrients

Question 3

What is a cardiac muscle

Answer 3

Heart ensures that other muscles are well supplied with all things they need to perform physical activities

Question 4

Describe muscle action

Answer 4

• • Muscles are attached to bones by tendon
• • Tendon at non-moving end known as origin (shoulder to bicep)
• • Tendon at moving end is Juan as insertion (elbow to bicep)

Question 5

Describe antagonistic muscle action

Answer 5

• • 1 shortens, 1 lengthens

- - Muscles can only pull and contract

Question 6

What are the type of muscle contraction

Answer 6

Isotonic and isometric

Question 7

What is isotonic muscle contraction

Answer 7

When muscle length changes
CONCENTRIC- muscle shortens when it contracts E.G. bending elbow, bicep contracts
ECCENTRIC- Occurs when muscle lengthens as it contracts E.G. quadricep contracts eccentrically to lower body slowly to ground

Question 8

What is isometric contraction

Answer 8

Muscle contracts but remains same length, when body is in fixed position
E.G. A handstand, muscles contracting but no movement