Muscle Fibre Types- AQA A Level PE

Type IIx muscle fibres are also known as

• Slow Oxidative

• Fast Glycolytic

• Fast Oxidative Glycolytic

Postural muscles tend to have a greater percentage of which muscle fibres

• Type I

• Type IIa

• Type IIx

Which of the following are 'structural' characteristics of muscles fibres?

• Motor Neurone Size

• Contraction Speed

• Capillary Density

• Aerobic Capacity

Which of the following are 'functional' characteristics of muscle fibres?

• Myoglobin Content

• Mitochondrial Density

• Force Produced

• Contraction Speed

Type IIa muscle fibres are also known as

• Fast Glycolytic

• Fast Oxidative Glycolytic

• Slow Oxidative

Capillary density in type 1 muscle fibres is

• High

• Medium

• Low

Anaerobic capacity in type IIx muscle fibres is

• High

• Low

• Very High

Fatigability of type IIa muscle fibres is

• Low

• Medium

• High

Myoglobin content in type IIx muscle fibres is

• High

• Medium

• Low

A 400m sprint requires which muscle fibre type?

• Type 1

• Type IIa

• Type IIx