Here, weâre concerned, like Lord Chesterfield, with âthe average cat.â On average, female cats live one to two years longer than male cats. On average, indoor cats live longer than outdoor cats. On average, wild, homeless, and feral cats live dramatically shorter lives than domestic cats.
During contraction, myosin heads bind to actin molecules of the. thin filaments. Flexing of the myosin heads pulls the thin filaments over the thick. filaments - shortening the sarcomere. Muscle contraction requires.
Noun. 1. muscle contraction - (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber). contraction, muscular contraction.shortening-act of decreasing in length; the dress needs shortening.raxton-Hicks contraction, false labor-painless contractions of the muscles of the uterus that continue throughout pregnancy with increasing frequency. vaginismus-muscular contraction that causes the vagina to close; usually an anxiety reaction before coitus or pelvic examination.