Combination of Two Osteopathic Techniques for the Hamstring's Stretching Capacity in Basketball Female Players

NCT ID: NCT06357611

Last Updated: 2024-04-30

Basic Information

• Recruitment Status: NOT_YET_RECRUITING
• Clinical Phase: NA
• Total Enrollment: 34 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2024-09-30
• Study Completion Date: 2024-12-31

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).

Conditions

Healthy

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: OTHER
• Blinding Strategy: SINGLE

Study Groups

Control Group

After completing an individual questionnaire and giving informed consent, a placebo technique was performed, consisting only of contact in the area of the participant's shoulders.

Group Type: PLACEBO_COMPARATOR

Simulated technique

Intervention Type: OTHER

The participant was in a supine position, with her upper limbs at her sides and her neck in a neutral position.

The researcher sat in a cephalic position, making contact with the participant's shoulders, without any movement, until 5 minutes had elapsed.

Experimental group MET

After completing an individual questionnaire and giving informed consent, the muscle energy technique was performed on the dominant hamstring muscle.

Group Type: EXPERIMENTAL

Muscle energy technique

Intervention Type: OTHER

The participant was in a supine position, with her upper limbs alongside her body and her neck in a neutral position.

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 flexing the hip and extending the knee passively until the motor barrier was reached, and instructed her to perform an isometric contraction of the hamstrings. She was asked to perform three 7-second contractions with a 2 to 3-second interval, using approximately 20% of her maximum strength, gaining a new motor barrier between each set, for a total of three sets.

Experimental group CV-4 and MET

After completing an individual questionnaire and giving informed consent, the 4th ventricle technique (CV-4) was performed, followed by the muscle energy technique on the dominant hamstring muscle.

Group Type: EXPERIMENTAL

4th ventricle technique and muscular energy technique

Intervention Type: OTHER

The participant was in a supine position, with her upper limbs alongside her body and her neck in a neutral position.

For CV-4, the researcher contacted the squamous portion of the occiput laterally, bringing it close to the posterior convexity of the occiput, bringing the skull into extension, changing the compression movement with decompression, until 3 minutes had elapsed.

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. She then helped the participant to perform the movement, which consisted of flexing the hip and extending the knee passively to the motor barrier, having been instructed to perform an isometric contraction of the hamstring. A total of 3 7-second contractions with a 2-3 second interval were requested, using approximately 20% of her maximum strength, and with a new motor barrier being gained between each series, for a total of 3 series.

Interventions

Simulated technique

The participant was in a supine position, with her upper limbs at her sides and her neck in a neutral position.

The researcher sat in a cephalic position, making contact with the participant's shoulders, without any movement, until 5 minutes had elapsed.

Intervention Type: OTHER

Muscle energy technique

The participant was in a supine position, with her upper limbs alongside her body and her neck in a neutral position.

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 flexing the hip and extending the knee passively until the motor barrier was reached, and instructed her to perform an isometric contraction of the hamstrings. She was asked to perform three 7-second contractions with a 2 to 3-second interval, using approximately 20% of her maximum strength, gaining a new motor barrier between each set, for a total of three sets.

Intervention Type: OTHER

4th ventricle technique and muscular energy technique

The participant was in a supine position, with her upper limbs alongside her body and her neck in a neutral position.

For CV-4, the researcher contacted the squamous portion of the occiput laterally, bringing it close to the posterior convexity of the occiput, bringing the skull into extension, changing the compression movement with decompression, until 3 minutes had elapsed.

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. She then helped the participant to perform the movement, which consisted of flexing the hip and extending the knee passively to the motor barrier, having been instructed to perform an isometric contraction of the hamstring. A total of 3 7-second contractions with a 2-3 second interval were requested, using approximately 20% of her maximum strength, and with a new motor barrier being gained between each series, for a total of 3 series.

Intervention Type: OTHER

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)

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 30 Years
• Eligible Sex: FEMALE
• Accepts Healthy Volunteers: Yes

Sponsors

Natália Maria Oliveira Campelo

OTHER

Sponsor Role: lead

Responsible Party

Natália Maria Oliveira Campelo

Profesor

Responsibility Role: SPONSOR_INVESTIGATOR

Principal Investigators

Natália MO Campelo, PhD

Role: PRINCIPAL_INVESTIGATOR

Escola Superior de Saúde do Politecnico do Porto

Locations

Escola Superior de Saúde do Porto

Porto, , Portugal

Countries

Portugal

Central Contacts

Natália MO Campelo, PhD

Role: CONTACT

nmc@ess.ipp.pt

+35122 206 1000

Facility Contacts

Natália Campelo

Role: primary

nmc@ess.ipp.pt

+35122 206 1000

References

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Reference Type: BACKGROUND

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Reference Type: BACKGROUND

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Chaitow, L. (2023). Muscle Energy Techniques (Fifth Edition ed.). Elsevier.

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Reference Type: BACKGROUND

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Reference Type: BACKGROUND

PMID: 22182954 (View on PubMed)

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Reference Type: BACKGROUND

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Reference Type: BACKGROUND

Nicholas, A. N. (2016). Atlas of Osteopathic Techniques (3 ed.). Wolters Kluwer Editora.

Reference Type: BACKGROUND

Parsons, J., & Marcer, N. (2008). Osteopathy: Models for Diagnosis, Treatment and Practice. Elsevier.

Reference Type: BACKGROUND

Ricard, F., & Sallé, J.-L. (2010). Tratado de Osteopatía.

Reference Type: BACKGROUND

Smith M, Fryer G. A comparison of two muscle energy techniques for increasing flexibility of the hamstring muscle group. J Bodyw Mov Ther. 2008 Oct;12(4):312-7. doi: 10.1016/j.jbmt.2008.06.011. Epub 2008 Aug 6.

Reference Type: BACKGROUND

PMID: 19083689 (View on PubMed)

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Reference Type: BACKGROUND

Other Identifiers

OST1_015

Identifier Type: -

Identifier Source: org_study_id