Neuromuscular Deficits in Jump-Landing Technique in Young Basketball

Sport Injury Clinical Trial

— ALFUSABA  

Official title:

Neuromuscular Deficits in Jump-Landing Technique in Young Basketball: a Cross-sectional Observational Study

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT05247359
• Other study ID #: CEIPSA-2021-PR-0009
• Status: Completed
• Start date: September 1, 2020
• Est. completion date: September 30, 2021

Study information

• Verified date: February 2022
• Source: University Rovira i Virgili
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

Basketball is a team sport that requires specific motor skills to develop different technical-tactical actions. Within the specific movements, landings after a jump are very common and require optimal technical performance, good stability and symmetry. Alterations in these components have been linked to an increased risk of injury. The objective of the present study is to identify functional alterations in the jump / landing technique that basketball players present.

Cross-sectional study carried out from Septembre to Juny. The participants were basketball players aged 12 to 14 years. The main variables were: ankle stability, dynamic knee valgus, central stability, symmetry of the lower extremities. The tests used were: Abalakov Test, Single Hop Test for distance, Single-leg vertical countermovement jump test, Cross Over Hop test, One Leg Balance Test.

Description:

Basketball is a team sport that requires specific motor skills to develop different technical-tactical actions. Within the specific movements, landings after a jump are very common and require optimal technical performance, good stability and symmetry. Alterations in these components have been linked to an increased risk of injury. The objective of the present study is to identify functional alterations in the jump / landing technique that basketball players present. A cross-sectional study carried out from Septembre to Juny. The participants were basketball players aged 12 to 14 years. The main variables were: ankle stability, dynamic knee valgus, central stability, symmetry of the lower extremities. The tests used were: Abalakov Test, Single Hop Test for distance, Single-leg vertical countermovement jump test, Cross Over Hop test, One Leg Balance Test.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 104
• Est. completion date: September 30, 2021
• Est. primary completion date: June 30, 2021
• Gender: All
• Age group: 12 Years to 14 Years

Eligibility

Inclusion Criteria:

• Age from 12 years to 14 years at testing (both included).

• To be actively competing during the study.

• Voluntarily sign the informed consent form.

• Not meet the exclusion criteria.

Exclusion Criteria:

• Presented any injury (overuse or acute) at the time of testing.

• Psychological or psychiatric diseases diagnosed.

• Oncological diseases diagnosed.

• Did not attend on the day of the assessment.

Related Conditions & MeSH terms

• Athletic Injuries
• Biomechanical Lesions
• Motor Skills Disorders
• Sport Injury

Locations

Country	Name	City	State
Spain	Federación Catalana de Baloncesto	Barcelona

Sponsors (1)

Lead Sponsor	Collaborator
University Rovira i Virgili

Country where clinical trial is conducted

Spain, 

References & Publications (29)

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* Note: There are 29 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Ankle stability	The ability of the player to maintain the monopodal position throughout the test and at the same time perform the jumps continuously without compensating with small jumps to stabilize was evaluated with the Cross Over Hop test and Single Hop Test for distance. It was recorded with a frontal and lateral filming device. The results were subsequently analyzed.	1 year
Primary	Dynamic lower extremity valgus	It was evaluated with the Abalakov Test and the Single Hop test for distance. For this purpose, two filming devices were placed, one frontal and one lateral. For the detection of dynamic valgus at landing, the angle formed between the femur and the tibia was looked at. The results were subsequently analyzed with the recording obtained.	1 year
Primary	Dynamic postural control	The Abalakov Test, Single Hop Test for distance and the Single-leg vertical countermovement jump test were used to observe the trunk alignment during the jump taking the hip and shoulder girdle as reference. For this purpose, two filming devices were placed in frontal and lateral positions. The results were subsequently analyzed with the recording obtained.	1 year
Primary	Symmetry	From the distance obtained in the Single Hop for distance Test, the Symmetry Index was calculated through the formula: (Distance dominant limb/Distance non-dominant limb)*100.	1 year
Secondary	Age	Years	1 year
Secondary	Gender	Female or male	1 year
Secondary	Weight	A scale accurate to +100 kg was used. The weight of the subject, barefoot and in training clothes, was recorded in Kg.	1 year
Secondary	Height	A centimeter tape placed on the wall was used. The height was recorded in meters. For this purpose, the player stood barefoot and with the back of the heels, shoulders and head in contact with the wall. Maintaining an upright position, the entire sole of the foot in contact with the floor, and looking straight ahead.	1 year
Secondary	Wingspan	A centimeter tape attached to the wall in a horizontal position at the height of each player's shoulders was used. The subject was positioned barefoot and with the back of the heels, shoulders and head in contact with the wall. The arms were placed in 90o abduction, with slight external rotation, thumbs up and hand open. Always maintaining an upright position, the entire sole of the foot in contact with the floor, and the gaze facing forward. The result was recorded in meters.	1 year
Secondary	Speed	It was evaluated with the 30m sprint test and a stopwatch was used to record the time (in seconds) it took the player to run 30 meters in a straight line at the fastest possible speed. Two attempts were made and the best time was recorded. For the test to be valid, the player did not have to start the race before the starting signal, nor had to have the foot advanced beyond the starting line.	1 year
Secondary	Agility	The Lane Agility Test drill was used. The time (in seconds) it took the player to traverse the rectangle formed by the 4 cones, first in one direction and then in the other, was timed.	1 year
Secondary	Power	It was evaluated with the Single-leg vertical countermovement jump test and the Chronojump force platform. Lower extremity power was recorded in watts.	1 year