MUSCLE FIBRES

SLOW TWITCH MUSCLE FIBRES:

• SUITED TO SLOW, PROLONGED ACTIVITIES
• BEST FOR EVENTS THAT TAKE A LONG TIME TO COMPLETE SUCH AS LONG DISTANCE RUNNING, SWIMMING AND CYCLING
• VERY GOOD OXYGEN SUPPLY
• STAY EFFICIENT OVER LONG PERIODS
• RED UNDER A MICROSCOPE

FAST TWITCH MUSCLE FIBRES:

• PRODUCE SHIRT BURSTS OF ENERGY
• CONTRACT FAST, PRODUCING A POWERFUL ACTION
• TIRE QUICKLY
• SUIT SPRINTING AND THROWING EVENTS
• WHITE UNDER A MICROSCOPE