The purpose of the paper was to identify the pattern of movement of sprinters` start. The assessment was conducted as to the movement structure expressed by electromyography (EMG) indicators (muscles` bioelectric voltage [µV] and timing in muscles activity [ms]) in the group of experts-sprinters and in the group of novices-students. Identification was made as to the interdependency in muscles activity in the pre-and post-start phase of sprint start in both tested groups. The research covered a group of 22 specialist stage sprinters (experts-sprinters) of 1st and 2nd sport class and a group of 32 students of master`s study programmes in physical education major (novices-students). The sprinter run test was conducted at a distance of 30 m from start block along with registration of the EMG signal. Sprinters generated significantly higher bioelectric voltage of the examined muscles. The experts-sprinters activated muscles appropriate for the structure of the pattern of movement at sprint start: triceps brachii, biceps brachii, rectus femoris, as well as vastus lateralis of the right and left limb. Motor programme significantly correlates with start reaction time (R = -.47). The smaller the number of activated muscles in sprinters in the pre-start phase, the shorter the start reaction time.
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