Clinical trial NCT06357611: Combination of Two Osteopathic Techniques for the Hamstring's Stretching Capacity in Basketball Female Players
Official title: Effect of the Muscular Energy Technique With the 4th Ventricle Technique on the Range of Motion of the Hamstring Muscles in Female Basketball Players: RCT
Study type: INTERVENTIONAL
Overall status: NOT_YET_RECRUITING
Phase: NA
Conditions: Healthy
Keywords: Fourth ventricle technique
Muscle energy technique
Range of motion
Hamstring Muscles
Lead sponsor: Escola Superior de Tecnologia da Saúde do Porto
Sponsor class: OTHER
First posted: 2024-04-10
Enrollment: 34
Sex: FEMALE
Minimum age (years): 18
Maximum age (years): 30
Standard ages: ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: PARALLEL
Intervention model description: In order to allocate each participant to an intervention group, each voluntary participation questionnaire was assigned a number. Subsequently, all the numbers of the participants in the sample were randomly distributed among the 3 groups by the principal investigator.
Primary purpose: OTHER

Brief summary: It is known that there are studies that prove the effectiveness of muscle energy techniques and the fourth ventricle technique separately, however, information is scarce regarding the combination of the two and their effectiveness in the population. The aim of this randomized controlled study is to compare the immediate effects of the techniques compared to the muscle energy technique alone in female basketball players.

Detailed description: The muscular energy technique (MET) is a manual therapy technique that uses isometric contractions with the aim of increasing the extensibility of the muscle group, as well as promoting lymphatic and venous circulation. The fourth ventricle technique (CV-four) plays an amplifying role in the movement of tissues and fluids, restoring the flexibility of the autonomous response. For the MET, the researcher adopted a position homolateral to the dominant limb, contacting the lower limb with the caudal hand in the region of the malleoli. He then helped the participant to perform the movement, which consisted of flexion of the hip and extension of the knee passively until the motor barrier was reached, after which she was instructed to perform an isometric contraction of the hamstring. A total of three contractions of seven seconds with an interval of two to three seconds were requested, using approximately twenty per cent of their maximum force, and gaining a new motor barrier between each series, for a total of three series. For the CV-four technique, the researcher adopted a seated position and laterally contacted the scaly portion of the occiput, bringing it closer to the posterior convexity of the occiput, bringing the skull into extension, changing the compression movement with decompression, until three minutes had elapsed. At all stages of the session, the participant was positioned in the supine position, with the upper limbs alongside the body and the neck in a neutral position. All the participants in the study underwent an initial and final assessment protocol to determine their range of motion (ROM).

Eligibility criteria: Inclusion Criteria:

* Over 18 years old
* Female
* Playing federated basketball
* Signature of informed consent documents

Exclusion Criteria:

* Surgical intervention/trauma in the areas of activity (cervical-cranial and lower limb)
* Exposure to medicinal therapy
* Participants with hypertension
* Participants at risk of cerebral hemorrhage (e.g. aneurysm)

Primary outcomes:
measure: Altered range of motion of the hamstring muscles.
timeFrame: 10 minutes after intervention.
Secondary outcomes:
Other outcomes:
Locations:
city: Porto
country: Portugal
facility: Escola Superior de Saúde do Porto
Study officials:
affiliation: Escola Superior de Saúde do Politecnico do Porto
name: Natália MO Campelo, PhD
role: PRINCIPAL_INVESTIGATOR
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