Introduction to Muscles

Question 1

Producing Movement

Answer 1

Locomotion and manipulation, pumping blood, moving substances

Question 2

Maintaining Posture

Answer 2

Constantly making small adjustments to maintain posture against the pull of gravity (muscle tone)

Question 3

Stabilising Joint

Answer 3

Cross joint of body to improve stability, especially those with poor articulating surfaces or poor ligament

Question 4

Generating Heat

Answer 4

All muscles generate heat as they contract. It is vital in maintaining normal body temperature, e.i. shivering when cold

Question 5

Excitability

Answer 5

Can receive and respond to a stimulus

Question 6

Contractility

Answer 6

Can shorten in response to stimulus

Question 7

Elasticity

Answer 7

Can recoil or resume resting length after stretching

Question 8

Extensibility

Answer 8

Can stretch or extend when relaxed

Question 9

Myofibre

Answer 9

Muscle fibre

Question 10

Sarcomere

Answer 10

Microscopic section of muscle

Question 11

Epimysium

Answer 11

Connective tissue surrounding a muscle