Muscle Contraction:The process whereby muscle fibers generate tension through the action of actin and myosin cross-bridging, facilitated by calcium ions released from the sarcoplasmic reticulum.
Calcium Ions:Positively charged atoms that play key roles in various physiological processes, including triggering muscle contractions by interacting with regulatory proteins on actin filaments when released from the sarcoplasmic reticulum.
Actin and Myosin: Protein filaments that form cross-bridges and slide past each other to produce muscle contraction, their interaction is regulated by calcium ions released from the sarcoplasmic reticulum