This document discusses methods for initiating muscle contraction during early rehabilitation following a lesion. It outlines 5 main methods: 1) applying warmth to increase blood flow and circulation, 2) stabilizing joints around the affected muscle, 3) using manual contact or grip to direct effort, 4) applying controlled stretching to stimulate muscle spindles, and 5) using resistance from opposite or synergist muscles to encourage contraction. The document explains how each method can stimulate motor neurons and facilitate the passage of impulses to initiate muscle twitches and eventual sustained contractions during rehabilitation.