Unit 1.8 Slow Twitch & Fast Twitch Muscle Fibres

Question 1

What is the rate of contraction for slow twitch muscle fibres

Answer 1

Slow

Question 2

Length of time contraction sustained for slow twitch muscle fibres

Answer 2

Long

Question 3

Speed at whihc slow twitch muscle fibres become fatigued

Answer 3

Slow

Question 4

Number of mitochondria in slow twitch muscle fibres?

Answer 4

Many

Question 5

Respiratory pathways used to regenerate ATP in slow twicth muscle fibres?

Answer 5

Glycolysis and aerobic pathways

Question 6

Blood capillary density in slow twitch muscle fibres?

Answer 6

High

Question 7

Concentration of myoglobin?

Answer 7

High

Question 8

Main storage fuel of slow twitch muscle fibres?

Answer 8

Fats

Question 9

Speed of contraction for fast twitch muscle fibres?

Answer 9

Quick

Question 10

Length of time contraction is sustained for fast twitch?

Answer 10

Short

Question 11

Speed at which fast twitch fibre becomes fatigues?

Answer 11

Fast

Question 12

Number of mitochondroia in fast twitch

Answer 12

Little or none

Question 13

Respiratory pathways used to regenerate ATP in fast twitch?

Answer 13

Glycolysis only

Question 14

Blood capillary density in fast twitch?

Answer 14

Low

Question 15

Concentration of myoglobin in fast twitch?

Answer 15

Low

Question 16

Main storage fuel used in fast twitch muscle fibre

Answer 16

Glycogen and creatine phosphate