Muscles

Question 1

4 Properties of skeletal muscle

Answer 1

1. Excitability
2. Contractility
3. Elasticity
4. Extensibility

Question 2

3 Components of Hill’s mechanical model of muscle-tendon unit

Answer 2

1. Contractile component
2. Series elastic component
3. Parallel elastic component

Question 3

3 Layers of connective tissue surrounding muscle

Answer 3

1. Endomysium (around muscle fibre)
2. Perimysium (around fesicles)
3. Epimysium (around muscle)

Question 4

Predictor of force generating capacity of muscle

Answer 4

Muscle physiological cross sectional area

muscle volume/fibre length

Question 5

Principle saying small motor units would be recruited first

Answer 5

Henneman’s Size Principle

Question 6

Name of length in which passive components start to contribute force

Answer 6

Slack length

Question 7

When maximum force has been generated by summation of twitches

Answer 7

Tetanus

Question 8

3 Types of contraction

Answer 8

1. Eccentric
2. Isometric
3. Concentric

Question 9

3 Types of muscle fibres

Answer 9

1. Slow oxidative
2. Fast oxidative
3. Fast glycolytic

Question 10

3 Types of joints

Answer 10

1. Fibrous joint
2. Cartilaginous joint
3. Synovial joint

Question 11

3 Important types of synovial joints

Answer 11

1. Hinge joint
2. Ball-and-socket joint
3. Pivot joint