1 
					Glucose   Basic Form of Sugar
					
				
						
						Darrell Kirwan edited this page 1 month ago
					
				
Fartlek - Literally, "speed play" in Swedish. It refers to interval workouts of mixed intensity, i.e. a mixture of quick and gradual working. Fast-twitch - Type of muscle fiber which contracts rapidly and powerfully however fatigues rapidly. Fatigue - A feeling of weakness or exhaustion