Mucle Fibre Types

Question 1

Type 1

Answer 1

Slow oxidative fibre

Question 2

Slow oxidative fibre

Answer 2

Red - small - high myoglobin concentration - low glycogen stores

Question 3

What sporting example would be best suited for type 1 / slow oxidative fibre

Answer 3

Endurance type activities - marathon runner

Question 4

Type 1 muscle fibres

Answer 4

Recruited for sub-maximal aerobic work - recover quickly - performed daily as fibre damage is minimal - early contraction

Question 5

Type 2

Answer 5

Fast oxidative glycolytic fibre + fast glycolytic fibres

Question 6

Fast oxidative glycolytic fibre

Answer 6

Red to pink - intermediate size - high myoglobin concentration - intermediate glycogen stores

Question 7

What sporting example would best be suited for fast oxidative glycolytic fibres ?

Answer 7

1500 m runner

Question 8

Type 2 muscle fibres

Answer 8

Recruited in only 2-20 seconds, near muscle exhaustion or when maximal effort is required - accompanied by eccentric muscle fibre damage, causing DOM’s

Question 9

What are DOM’s

Answer 9

Delayed onset muscle soreness - DOM’s is felt 24-48 hours after exercise

Question 10

Fast glycolytic fibres

Answer 10

White (pale) - large in size - low in myoglobin concentration- high glycogen stores

Question 11

What sporting example would be best suited for fast glycolytic fibre

Answer 11

110 m hurdler