Skeletal Muscle Demo

Demonstration of some of the biochemical mechanisms involved in skeletal muscle contraction. Calcium ions bind to troponin causing a change in shape of tropomyosin. This exposes myosin binding protein on actin. If a nearby myosin head is already cocked, binding to the myosin binding molecule triggers contraction of the myosin head, pulling the actin molecule. ATP binding to the contracted myosin head causes it to release from the myosin binding molecule and recock. If another myosin binding protein is nearby, the cycle repeats. If there is no ATP available to trigger the release of the myosin head, the muscle remains in a contracted state, as in rigor mortis.

[@dolcefatina90]

very good

[@alexbballboy]

A little late, but if you hold the space bar, the video plays sorta in slow motion

[@fredd298]

Very detailed short clip, perfect.

[@luizesalnite3845]

why is it so cute though?

[@HodgeBioClass]

great job! thanks for sharing

[@davidmuller7199]

Much muscle! Such skeleton!
10/10 would watch again

[@Serenity29769]

yOooYoOOO LOLLLLLL