Abstract
The purpose of this investigation was to determine whether
plyometric training in Strength shoes (Strength Footwear, Inc.)
increased vertical jump performance, decreased elasped time in the
40 yard dash and increased calf circumference. Thirty-one male and
female college-aged students served as subjects. Twenty-two
subjects, enrolled in a college physical fitness class, were
randomly assigned to one of two experimental conditions: Strength
shoe (S) group or traditional shoe (T). A third condition, a
control (C) group consisted of 9 volunteers enrolled in a college
badminton class. Subjects in both experimental conditions trained
for ten weeks, three times per week, 45 minutes per day. Subjects
performed plyometric drills designed to increase vertical jump and
increase running speed. Subjects were pre-tested and post-tested
for vertical jump performance, speed in the 40 yard dash, and right
and left calf circumference.
There was no significant (p>. 05) change in either experimental
group from pretest to post test on vertical jump performance, speed
in the 40 yard dash and right and left calf circumference. It was
concluded that, regardless of the footwear being worn, plyometric
training did not increase vertical jump performance, calf
circumference or decrease the elapsed time in the 40 yard dash of
the participants.
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