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HealthyNCT07081854

Aquatic Versus Land-Based Plyometric Exercises on Vertical Jump Performance and Landing Mechanics

A study testing Land-Based Plyometric Training, Aquatic Plyometric Training and General conditioning exercises in people with Healthy, run by Cairo University.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Sites and contacts
Official record
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Trial summary

This study will will be conducted to investigate the effect of aquatic versus land-based plyometric training on vertical jump performance, landing mechanics, quadriceps and hamstring muscles isometric strength in Basketball Players? Read more about this study

Who is it for?
Ages 18 to 30 yearsHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
Land-Based Plyometric Training, Aquatic Plyometric Training and General conditioning exercises
Could I receive a placebo?
No, everyone receives an active treatment
How many people
60 participants
Where
No sites listed yet
Study dates
30 Jul 2025to 15 Jul 2026
Phase
Interventional
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 30 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Age: 18 to 30 years old .
  • Plyometric Training Experience: At least one year of prior experience in plyometric or athletic training.

Who cannot join

  • Participation in any other exercise programs outside the experimental one (e.g., gymnastics).
  • History of severe musculoskeletal injuries or surgeries within the past 6 months.
  • Any medical conditions that would contraindicate plyometric exercise (e.g., cardiovascular, respiratory conditions).

Trial locations and contacts

No sites are listed yet. Contact the study team or a site near you to ask about taking part.

Mohamed Abdelaziz, Master contact

0 11 24348662

Mohamed3afifi1@Gmail.com

About this study

Official title: Effect of Aquatic Versus Land-Based Plyometric Exercises on Vertical Jump Performance and Landing Mechanics in Basketball Players

This study will will be conducted to investigate the effect of aquatic versus land-based plyometric training on vertical jump performance, landing mechanics, quadriceps and hamstring muscles isometric strength in Basketball Players?

Read the detailed description

Plyometric training, a type of exercise that involves explosive movements designed to enhance muscular power, has become a cornerstone in athletic conditioning. It is particularly effective for improving lower-body power and vertical jump performance, which are critical for sports such as basketball, volleyball, and track events. By utilizing the stretch-shortening cycle of muscles, plyometric exercises help athletes generate rapid force, thus enhancing their overall athletic performance. Vertical jump performance is a widely recognized indicator of an athlete's explosive power, agility, and lower-limb strength. In many sports, improving vertical jump height is prioritized as a key performance metric, as it reflects an athlete's ability to perform dynamic movements. Enhancements in jump height not only contribute to improved vertical leaps but also translate into better sprinting ability and more agile movements on the field.

While land-based plyometric training is well-established as an effective method for improving athletic performance, aquatic plyometric training has gained attention due to its low-impact nature. Although studies have compared these two modalities, there remains a lack of consensus regarding their relative effectiveness, necessitating further exploration Investigating how these different training methods influence athletic outcomes will help clarify their respective advantages and inform training practices. In contrast, aquatic plyometric training offers a lower-impact alternative by utilizing the buoyant properties of water. This training modality reduces the stress on joints and soft tissues while still enhancing jump performance. As a result, aquatic plyometric training is especially suitable for injury-prone athletes or those recovering from previous injuries, as the water's resistance can help improve strength without risking further harm.

While aquatic plyometric training may lead to smaller gains in vertical jump height compared to land-based training, it provides a safer environment for skill development. Studies have highlighted that aquatic training is especially beneficial for athletes who need joint protection, such as those involved in water sports. Its controlled environment helps mitigate the impact associated with high-intensity training, allowing athletes to maximize their performance without increasing injury risk. Proper landing mechanics are crucial to minimizing the risk of lower-extremity injuries during plyometric exercises. Faulty landing techniques, such as excessive knee valgus, are strongly linked to injuries like anterior cruciate ligament (ACL) tears. It is essential for training programs to incorporate biomechanical assessments to ensure that athletes execute movements safely, reducing the likelihood of injury.

Despite the valuable insights provided by recent research, further studies are needed to explore the effects of aquatic and land-based plyometric training across diverse athletic populations. Such research could inform the development of optimal training protocols that maximize performance and minimize injury risk.

Conditions
Healthy
Being tested
Land-Based Plyometric Training, Aquatic Plyometric Training, General conditioning exercises
Keywords
Basketball Players, Plyometric Exercises, Vertical Jump Performance, Landing Mechanics

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Land-Based Plyometric TrainingOther

    Participants will perform traditional plyometric exercises on land aimed at improving lower-body power and neuromuscular performance.

    Exercises:

    1. Box Jumps: Jumping onto a box of progressively higher levels to build explosive strength.
    2. Depth Jumps: Stepping off a box and immediately jumping vertically upon landing.
    3. Jump Squats: Explosive vertical jumps starting from a squat position.
    4. Lateral Bounding: Jumping side-to-side to enhance lateral agility.
    5. Broad Jumps: Maximal horizontal jumps for distance.
    6. Tuck Jumps: Jumping while bringing knees to the chest in mid-air.
  • Aquatic Plyometric TrainingOther

    Participants will perform plyometric exercises in a shallow pool, with the water depth fixed at the xiphoid process level (chest height). Greater peak mechanical power was observed for jumps performed in the water and was influenced by immersion depth.

    Exercises:

    1. Box Jumps: Jumping onto a box of progressively higher levels to build explosive strength.
    2. Depth Jumps: Stepping off a box and immediately jumping vertically upon landing.
    3. Jump Squats: Explosive vertical jumps starting from a squat position.
    4. Lateral Bounding: Jumping side-to-side to enhance lateral agility.
    5. Broad Jumps: Maximal horizontal jumps for distance.
    6. Tuck Jumps: Jumping while bringing knees to the chest in mid-air.

    Key Points:

    • Encouraged to perform movements explosively while applying maximal effort.
    • Proper execution is emphasized to maintain biomechanical integrity even in the water environment.
    • Water temperature: 25-28 °
  • General conditioning exercisesOther

    Participants will follow a general conditioning routine that does not include plyometric exercises.

    Exercises:

    1. Bodyweight squats.
    2. Lunges.
    3. Core stability exercises (e.g., planks, bridges).
    4. General cardio activities such as light jogging or cycling.
Study groups in NCT07081854
Study groupRoleWhat they receive
Land-Based Plyometric TrainingExperimental20 Participants will perform traditional plyometric exercises on land (e.g., box jumps, depth jumps, jump squats)
Receives: Other: Land-Based Plyometric Training
Aquatic Plyometric TrainingExperimental20 Participants will perform plyometric exercises in a shallow pool (water depth ranging from the xiphoid process to just below it . The exercises will include water jump squats, water box jumps, and other water-resisted plyometric movements.
Receives: Other: Aquatic Plyometric Training
General conditioning exercisesActive comparator20 Participants will follow general conditioning exercises
Receives: Other: General conditioning exercises

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Vertical Jump height

    Vertical jump height will be assessed using the My Jump smartphone application. This app utilizes the phone's camera and software to analyze jump height and velocity, providing additional data on jump performance.

    Measured: up to 6 weeks

  2. vertival jumb velocity

    Vertical jump velocity will be assessed using the My Jump smartphone application. This app utilizes the phone's camera and software to analyze jump height and velocity, providing additional data on jump performance.

    Measured: up to 6 weeks

Secondary outcomes (2)
  1. Landing Error Scoring System

    Landing Error Scoring System is a clinical tool used to assess jump-landing mechanics for the video from my jumb land aplication . the feet, ankle, knees, hip, trunk, shoulder, neck and head posture is assessed through the video. it is a 17-item . According to the performance sheet, the questions 1-15 are Yes/No questions that are rated as 0 or 1. The questions 16 are rated as 0, 1, and 2; 0 = soft, 1= average and 2= stiff. the question 17 are rated as 0,1,2; 0= excellent,1 average and 2= poor, so the total score ranges from zero to 19. A higher score indicates poor technique in landing from a jump; a lower score indicates better jump-landing technique. the score are categorized as excellent which less than 4, good score more than four and less than or equal 5, moderate score less than four and poor more than six.

    Measured: up to 6 weeks

  2. Quadriceps and hamstring strength

    Quadriceps and hamstring strength will be measured using hand-held dynamometry. This portable device allows the examiner to assess isometric torque during maximal contractions of the muscles. It is effective for evaluating both proximal and distal muscles in all extremities. Studies consistently demonstrate high validity of hand held dynamometer measurements when compared to isokinetic dynamometers, especially for larger muscle groups such as the quadriceps and hamstrings. It was found that hand held dynamometer correlates strongly with isokinetic dynamometry (correlation coefficients r = 0.84-0.97) for measuring quadriceps and hamstring strength.

    Measured: up to 6 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted23 Jul 2025
  2. Study start30 Jul 2025 (estimated)
  3. Primary completion10 May 2026 (estimated)
  4. Study completion15 Jul 2026 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Study group I and Study group II
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
60 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07081854
Sponsor's protocol ID
P.T.REC/012/005756
Status last verified
Jul 2025
First submitted
2 Jul 2025
Last updated
23 Jul 2025
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing Land-Based Plyometric Training, Aquatic Plyometric Training and General conditioning exercises in people with Healthy, run by Cairo University.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: opening soon, as of the sponsor's last update on 23 Jul 2025. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Mohamed Abdelaziz, Master (0 11 24348662, Mohamed3afifi1@Gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Vertical Jump height (time frame: up to 6 weeks). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Jul 2025.

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