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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.
This study was randomized clinical trial and was conducted in Pakistan Sports Board in duration of 10 months. Non-probability convenient sampling technique was used. Sample size was 30 calculated by G-power using 50-m sprint as variable. Participants were recruited into 2 equal groups by the process of randomization according to inclusion and exclusion criteria. One group performed mud based plyometric jump training with high intensity interval training which included alternate jump lunge, split squat jump and pop squat jump 4 repetitions, 3 sets and other performed mud based plyometric jump training without high intensity interval training which included plate pogo and broad jump 4 REPS, 3 SETS. Data was analyzed by SPSS version 25.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PLYOMETRICS jump training with HIIT | Experimental | Alternate Jump Lunge (4 REPS, 3 SETS with 25 SECONDS recovery period between each SET ) Split squat jump (4 REPS, 3 SETS with 25 SECONDS recovery between each SET) Pop Squat (4 REPS, 3 SETS with 25 SECONDS recovery period between each set) |
|
| PLYOMETRICS JUMP TRAINING WITHOUT HIIT | Experimental | Plate pogo (4 reps, 3 sets) Broad jump( 4reps,3 sets) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PLYOMETRICS jump training with HIIT (4 weeks,3 sessions per week) | Other | First 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; |
| Measure | Description | Time Frame |
|---|---|---|
| speed | speed of athlete measure by 50-m linear sprint | 0 week, 6 week, 12 week |
| calf girth | it is measured by Gulick tape | 0 week, 6 week, 12 week |
| power | it is measured by vertical jump | 0 week, 6 week, 12 week |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Muhammad Atif Javed, PP-DPT | Contact | =92 3317491071 | atif.javed@riphah.edu.pk | |
| Hafiz Muhammad Muneeb Javed, DPT | Contact | 03233359903 | Muneebjaved@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Atif Javed, PP-DPT | Riphah International University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Pakistan sports board | Recruiting | Lahore | Punjab Province | Pakistan |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 17347316 | Background | Markovic G. Does plyometric training improve vertical jump height? A meta-analytical review. Br J Sports Med. 2007 Jun;41(6):349-55; discussion 355. doi: 10.1136/bjsm.2007.035113. Epub 2007 Mar 8. | |
| 2408119 | Background | Bobbert MF. Drop jumping as a training method for jumping ability. Sports Med. 1990 Jan;9(1):7-22. doi: 10.2165/00007256-199009010-00002. |
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randomized clinical trials
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single (outcome assessor) who take the readings is blind
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| PLYOMETRICS JUMP TRAINING WITHOUT HIIT (4weeks, 3sessions Per week) | Other | Plate pogo (4 reps, 3 sets) Broad jump( 4reps,3 sets) |
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| 19002073 | Background | Thomas K, French D, Hayes PR. The effect of two plyometric training techniques on muscular power and agility in youth soccer players. J Strength Cond Res. 2009 Jan;23(1):332-5. doi: 10.1519/JSC.0b013e318183a01a. |
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| 31426481 | Background | Silva AF, Clemente FM, Lima R, Nikolaidis PT, Rosemann T, Knechtle B. The Effect of Plyometric Training in Volleyball Players: A Systematic Review. Int J Environ Res Public Health. 2019 Aug 17;16(16):2960. doi: 10.3390/ijerph16162960. |
| 34948702 | Background | Ahmadi M, Nobari H, Ramirez-Campillo R, Perez-Gomez J, Ribeiro ALA, Martinez-Rodriguez A. Effects of Plyometric Jump Training in Sand or Rigid Surface on Jump-Related Biomechanical Variables and Physical Fitness in Female Volleyball Players. Int J Environ Res Public Health. 2021 Dec 11;18(24):13093. doi: 10.3390/ijerph182413093. |
| 23751941 | Background | Hoffmann JJ Jr, Reed JP, Leiting K, Chiang CY, Stone MH. Repeated sprints, high-intensity interval training, small-sided games: theory and application to field sports. Int J Sports Physiol Perform. 2014 Mar;9(2):352-7. doi: 10.1123/ijspp.2013-0189. Epub 2013 May 22. |