Interventions and Viscoelasticity of Hamstring

NCT04796298 | Completed

• 1 other identifier: ASekibag
• Study Type: interventional
• Target: 60
• Locations: 1 country
• Sites: 1

Brief Summary

The study aims to investigate acute effects of ballistic hamstring stretching, hamstring extender exercise, and kinesiotaping application on viscoelasticity of hamstrings and standing long jump performance on rowers.

Conditions

Injury; Back, Lower, Superficial; Hamstring Injury; Sport Injury; Sports Physical Therapy

Keywords

Ballistic Stretching; Eccentric exercise; Kinesiotaping; Viscoelasticity; Hamstrings; Athletic Performance; Rowers

Outcome Measures

Primary Outcomes (6)

• Frequency of Muscle (F)

  The tones of muscle is described by frequency of muscle or oscillation frequency (Hz). It is examined by the MyotonPro, Tallinn, Estonia.

  Day 1

• Stiffness of Muscle (S)

  Stiffness of Muscle is described by reaction to contraction or forces from outside of tissue that may cause the original form to deteriorate. It is examined by the MyotonPro, Tallinn, Estonia.

  Day 1

• Decrement of Muscle (D)

  The elasticity of a muscle is described by a logarithmic reduction of tissue's normal amplitude. It is more related with the dissipation of mechanical energy that arises between the deformation of the tissue and its recovery. It is a biomechanical feature of tissue that is called as elasticity. It is examined by the MyotonPro, Tallinn, Estonia.

  Day 1

• Relaxation of Muscle (R)

  It is the time which is called as Mechanical Stress Relaxation Time (ms) between the deformation of the normal shape of the tissue and its return to its original shape. It is examined by the MyotonPro, Tallinn, Estonia.

  Day 1

• Creep of Muscle (C)

  It is defined as ratio of deterioration and relaxation time of tissue. In case of a continuous stress, tissue regularly stretches over time. This is called as creep. It is examined by the MyotonPro, Tallinn, Estonia.

  Day 1

• Athletic Performance

  Athletic Performance is assessed by Standing Long Jump Test. It is a horizontal jump test that measures anaerobic performance.

  Day 1

Study Arms (3)

Ballistic Hamstring Stretching Group

EXPERIMENTAL

Ballistic Hamstring Stretching

Procedure: Ballistic Hamstring Stretching

Hamstring Extender Exercise Group

EXPERIMENTAL

Hamstring Extender Exercise

Procedure: Hamstring Extender Exercise

Kinesiotape Group

EXPERIMENTAL

Kinesiotape

Procedure: Kinesiotape

Interventions

Ballistic Hamstring Stretching PROCEDURE

Athletes were asked to reach the floor in the BS group by leaning over in the standing posture without knee flexion. When they feel the tension in hamstring muscle groups, athletes were requested to make small rebounding motion at degrees between 3°-5° for half a minute.

Ballistic Hamstring Stretching Group

Hamstring Extender Exercise PROCEDURE

Athletes were asked to applied 12 repetitions and 3 sets of hamstring extender exercise. Firstly athlete lies on his/her back. Then, athlete is asked to do 90 degrees of knee and hip flexion at the same time. Finally, the person is expected to perform slow repetitive knee extension to the point of maximal possible extension.

Hamstring Extender Exercise Group

Kinesiotape PROCEDURE

Kinesio tape is applied on the hamstring muscle with a Y shape and %25 tension force.

Kinesiotape Group

Eligibility Criteria

• Age: 14 Years - 18 Years
• Sex: male
• Healthy Volunteers: Yes
• Age Groups: Child (0-17), Adult (18-64)

You may qualify if:

• Participating to the study in a voluntary basis.
• Athletes with 14-18 years old.
• Being a rowing athlete for at least a year.
• Being an athlete in Fenerbahce Rowing Team and Turkish Divers Club - Rowing Branch.

You may not qualify if:

• Having a musculoskeletal injury involving the lower extremity in the last 6 months.
• Having undergone a surgical operation in the last 6 months.
• Any limitation in lower extremity range of motion.
• Failing to complete the Ballistic Hamstring Stretching, Hamstring Extender Exercise or Kinesio taping Application.
• Wanting to quit from study.

Sponsors & Collaborators

• Yeditepe University: lead

Study Sites (1)

Yeditepe University, Health Sciences Faculty, Department of Physiotherapy and Rehabilitation

Istanbul, Ataşehir, 34755, Turkey (Türkiye)

Location

MeSH Terms

Conditions

Wounds and Injuries

Interventions

Athletic Tape

Intervention Hierarchy (Ancestors)

Bandages; Equipment and Supplies; Orthotic Devices; Orthopedic Equipment; Surgical Equipment

Study Officials

• Onur Atakan Sekibağ, MSc

  Yeditepe University, Health Sciences Faculty, Department of Physiotherapy and Rehabilitation

  PRINCIPAL INVESTIGATOR

• Şule Badıllı Demirbaş, Asst. Prof.

  Yeditepe University, Health Sciences Faculty, Department of Physiotherapy and Rehabilitation

  STUDY CHAIR

• Ayça Yağcıoğlu, MSc

  Yeditepe University, Health Sciences Faculty, Department of Physiotherapy and Rehabilitation

  STUDY CHAIR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Purpose: TREATMENT
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Physiotherapist

Model Details: Study is designed as Randomized Uncontrolled Trial.

Study Record Dates

• First Submitted: March 7, 2021
• First Posted: March 12, 2021
• Study Start: January 15, 2021
• Primary Completion: February 15, 2021
• Study Completion: March 30, 2021
• Last Updated: August 9, 2023

Record last verified: 2023-08

Data Sharing

• IPD Sharing: Will not share

Locations

TU (1)