Muscle contraction mechanism shown through a bicep curl, nerve signal drives actin myosin sarcomere shortening, key objects, bicep, myofibril, sarcomere. Outline diagram
Keywords
muscle,
contraction,
sliding,
filament,
theory,
myosin,
fiber,
cross,
bridge,
cycle,
energy,
calcium,
disc,
band,
head,
junction,
motor,
nerve cell,
signal,
excitation,
coupling,
skeletal,
anatomy,
bicep,
triceps,
relaxed,
dumbbell,
curl,
flexion,
elbow,
tendon,
attachment,
physiology,
thick