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The main purpose of this study will be comparison of acute effects of plyometric and heavy resistance exercise on post-activation potentiation
This is a single-center, randomized, crossover study. Collegiate soccer players will be enrolled in this study. The study will be performed in 3 separate sessions.In the first session, participants will be familiarized with the experimental conditions and 1RM will be calculated. Participants will then be randomized to receive either heavy resistance or plyometric exercise first in the second session and then will be crossed over to receive the opposite intervention in the third session. The objective of the study is to compare the acute effects of plyometric and heavy resistance exercise on post - activation potentiation by measuring physical performance and blood lactate level.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Plyometric-Resistance | Experimental | This group will perform plyometric exercise first and then heavy resistance exercise |
|
| Resistance-Plyometric | Experimental | This group will perform resistance exercise first and then plyometric exercise |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Plyometric exercise | Behavioral | 2 sets of 10 ankle hops, 3 sets of 5 hurdle hops, 5 drop-jumps from a height of 50 cm |
|
| Measure | Description | Time Frame |
|---|---|---|
| Blood lactate level | Small pinprick blood samples will be taken from fingertip and blood lactate level will be measured by Blood lactate analyser (EKF Diagnostic Lactate Scout +, UK). The area will be cleaned first, using a dry tissue to remove sweat, then an alcohol swab. Once the area is dry, the lancet (often with a spring loaded apparatus) will be used to pierce the skin. | Measured prior to and after the intervention period (at 1 minute and 10 minute) |
| Measure | Description | Time Frame |
|---|---|---|
| Countermovement jump height | The countermovement jump height will be measured using an iPhone app 'My Jump'. Jump height will be determined using an acknowledged flight - time calculation. During the CMJ, the subject rest their hands on their hips while performing a downward movement, followed by a maximum effort vertical jump. The subjects have to land in an upright position and to bend knees on landing. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Shahid Raza, MPT | Jamia Millia Islamia | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Sports Complex, Jamia Millia Islamia | New Delhi | National Capital Territory of Delhi | 110025 | India |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 29568749 | Derived | Sharma SK, Raza S, Moiz JA, Verma S, Naqvi IH, Anwer S, Alghadir AH. Postactivation Potentiation Following Acute Bouts of Plyometric versus Heavy-Resistance Exercise in Collegiate Soccer Players. Biomed Res Int. 2018 Feb 7;2018:3719039. doi: 10.1155/2018/3719039. eCollection 2018. |
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Data will be kept secure with principal investigator (Md. Shahid Raza) and sub-investigator (Sourabh Kumar Sharma) due to confidentiality issues
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| ID | Term |
|---|---|
| D059385 | Plyometric Exercise |
| ID | Term |
|---|---|
| D005081 | Exercise Therapy |
| D012046 | Rehabilitation |
| D000359 | Aftercare |
| D003266 | Continuity of Patient Care |
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Randomized crossover design
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All the participants will be blinded about the knowledge of the outcomes
| Heavy resistance exercise | Behavioral | 10 single repetitions of back half squats at 90% of 1 repetition maximum |
|
| Measured prior to and after the intervention period (at 1 minute and 10 minute) |
| 20 m single sprint time | The 20m single sprint is a standard test for assessing soccer players' running speed. The test involves running a single maximum sprint over 20 meters, with the time recorded using a stopwatch. | Measured prior to and after the intervention period (at 1 minute and 10 minute) |
| D005791 |
| Patient Care |
| D013812 | Therapeutics |
| D026741 | Physical Therapy Modalities |
| D064797 | Physical Conditioning, Human |
| D015444 | Exercise |
| D009043 | Motor Activity |
| D009068 | Movement |
| D009142 | Musculoskeletal Physiological Phenomena |
| D055687 | Musculoskeletal and Neural Physiological Phenomena |