Volleyball is a high-intensity, anaerobic sport that alternates between brief rest intervals and explosive movements in both vertical and horizontal planes. Therefore, it is believed that essential components of successful athletic performance are explosive strength, speed and power which are defined as the neuro- muscular system of an individual's ability to manifests training the shortest amount of time. The complex movement of a vertical jump necessitates the coordination of multiple muscles in the arms, legs, and trunk. Being aware that a five-set volleyball match requires more than 250 jumps from each player. Eight weeks of plyometric jump training on mud and other unstable surfaces caused some changes in the biomechanical variables and physical fitness related to volley ball performance in volley ball players. Thus, by adding more high-intensity training, elite volleyball players can maximize their physical performance level during the competitive season.
Age:17-35years
Male Volleyball players
1 Repetition Maximum (RM) of 10kg
BMI in the range of 18.5 to 24.9
Musculoskeletal issues(Jumper's knee, Foot and ankle injuries, Patellar tendinopathy, Ligamentous and meniscal injury, Bone deformity, Fractures of lower limb)
Cardiac and Pulmonary disorder
Vestibular and visual disorder
Parallel
PLYOMETRICS jump training with HIIT (4 weeks,3 sessions per week)
Other interventionFirst set of drills 6 x 40-cm hurdle jumps +5-s sprint\* at 130% of aerobic maximum speed. Second set of drills 6 x 30-cm hurdle jumps with extended legs + 5-s sprint at 130% of aerobic maximum speed. Third set of drills 6 x horizontal jumps + 5-s sprint at 130% of aerobic maximum speed. Fourth set of drills 3 right-leg and 3left-leg hops +5-s sprint at 130% of aerobic maximum speed. Each drills set was performed 2 times in a row. Afterwards, 10 seconds of rest were allowed. Thereafter, this sequence of effort-rest was repeated 8 times. After then, a 3-5 min recovery period was allowed before commencing the next drills set;
PLYOMETRICS JUMP TRAINING WITHOUT HIIT (4weeks, 3sessions Per week)
Other interventionPlate pogo (4 reps, 3 sets) Broad jump( 4reps,3 sets)
speed
speed of athlete measure by 50-m linear sprint
calf girth
it is measured by Gulick tape
power
it is measured by vertical jump
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