muscle pairs

skeletal muscle structure

myofibrils structure

sarcomere structure

myofibril contraction- sliding filament theory

myofibril contraction steps

actin-myosin bridges in a resting muscle are…

muscle stops being stimulated steps

role of ATP in myofibril contraction

role of phosphocreatine in myofibril contraction

slow muscle fibres

fast muscle fibres

role of myoglobin

slow vs fast muscle fibres

slow = endurance + aerobic respiration

fast = running, eyelid movement + anaerobic respiration + high conc of phosphocreatine