In volleyball, blocking is highly correlated with team success.
The identification of specific techniques that produce a more successful
block would be helpful knowledge for coaches and players. This study compared
the traditional, swing, and "chicken wing" blocking techniques
in combination with the running step footwork pattern in order to determine
which technique enabled athletes to perform a more effective block. High-speed
videography (7 cameras, Vicon Motion Analysis System) was used to capture
the blocking movements of thirteen female NCAA Division I athletes (age
= 19.4 ± 1.19 years, height = 1.82 ± 0.08 m, mass = 70.63 ± 7.96 kg, and
years of participation at the collegiate level = 2.23 ± 1.17 years). Each
player was familiar with each blocking technique. Reflective markers were
placed on the players and in randomized order the players performed 3 blocking
trials of each technique. The following dependent variables were assessed:
The time it took the athletes to get off the ground and get their hands
above (vertically) the net was calculated. The distance the hand reached
over the net or hand penetration (displacement between the net and finger
in the anterior and vertical planes) was also measured. Lastly, jump height
was calculated. Repeated measures ANOVA and post-hoc comparisons were done
(α = 0.05). There was no significant difference in the main effect
for time to get off the ground (p > 0.05). There was a significant difference
in the time to get the hands above the net (p < 0.05). The swing block
was best for jump height (p <.001) and hand penetration (p < 0.05).
These results can help coaches and players decide which blocking technique
will benefit them most as a blocking team and as individual blockers.
Key words: Motion analysis, counter- movement, volleyball defense.
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