The leading model for explaining muscle contraction is calledthe ______. The general term for the decrease in muscle size is______. The combination of myosin heads binding with the activesites of actin molecules forms a ______. The adductor muscles ofthe legs originate on the pubis and ischium and inserts on the______. A series of successively stronger (graded) contractionsthat occur in rested muscle fibers is known as ______. The muscleresponsible for ear \"popping\" during strong changes in elevation isthe ______. A dark line consisting of delicate proteins filamentswhich attach to the center of myosin myofilaments are known as______. The connective tissue covering on the outside of a muscleis called the ______. The amount of O2 needed by cells to replenishATP supplies following exercise is referred to as ______. A darkpigmented protein found in skeletal muscle which functions as astore for O2 needed for aerobic respiration is known as ______. Thedecrease capacity of a muscle to do work and reduced efficiency ofperformance that follows a period of activity is known as ______.Ca+2 ions are removed form the sarcoplasm of skeletal muscle cellsfollowing contraction through the process of ______. When two ormore muscles work together to accomplish a common movement, theyare called ______. An example of a suprahyoid muscle is ______; anexample of an infrahyoid muscle is ______. The end of the musclewhich is attached to the more moveable of the two bones that itconnects is called the ______. The location where nervous andmuscular systems meet is known as the ______.All rotator cuffmuscles originate on the ______ and insert on the _____. (NOTE: bespecific with the insertion)