Parts of the sarcomere and muscle contraction Flashcards
1
Q
Z M line
A I band
H zone
A
Z line: move towards each other (sarcomere shortens)
M line: Line down the myosin filaments
A band: Full length of myosin + actin, does not shorten
I band: Shortens as the actin moves over the myosin. Only thin filaments
H zone: only myosin filaments, shorten
