Dynamic Stretching Training and Muscle Tendon Unit

Effects of Dynamic Stretching Exercise Training on Muscle Tendon Unit

The purpose of this study is to investigate the effects of a 5-week dynamic stretching exercise training on muscle-tendon unit of gastrocnemius muscle.

Study Overview

• Status: Completed
• Conditions: Healthy
• Intervention / Treatment: Other: stretching exercise

Detailed Description

Muscle stretching is a common practice applied in warm-up process to enhance performance in sports and to prevent or decrease the risk of sports injury. Muscle stretching is also used for therapeutic purposes in many clinical conditions.

It is generally performed in either static or dynamic manner. The effects of stretching depend on the type, duration and timing of stretching. However, the acute and chronic effects of a stretching can be different in the same muscle.

Recent studies suggest that static stretching has adverse effects on performance, reduces maximal muscle force and is not successful in preventing non-contact injuries, as believed so. Dynamic type is reported to improve flexibility and range of motion better. But there is still debate over which prescription provides the best results in terms of flexibility, power, performance or injury protection. And the answer to the question what happens to the viscoelastic properties of a muscle when it is stretched dynamically for some period of time has not been clearly established.

This study is planned to investigate the effect of a 5-week dynamic stretching exercise training on muscle tendon unit of gastrocnemius muscle. The effects of the training program will be assessed by ultrasound.

• Study Type: Interventional
• Enrollment (Actual): 28
• Phase: Not Applicable

Contacts and Locations

Study Locations

• Turkey
  • Tokat, Turkey, 60100
    • Gaziosmanpasa University

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 30 years (Adult)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: Male

Description

Inclusion Criteria:

• Inclusion Criteria:
• Healthy males,
• aged between 18-30 years

Exclusion Criteria:

• Cases with history of recent musculoskeletal injuries or neurological diseases.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Basic Science
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: None (Open Label)

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: dynamic stretching exercise; This group will perform dynamic stretching exercise to their left side gastrocnemius muscles for 5 weeks (5 days a week, 3 sets of exercise a day, each set including 5 repetitions of dynamic stretching lasting 45 seconds)	Other: stretching exercise; dynamic stretching exercises with 5 repetitions, each lasting 45 seconds, for 5 days a week and 3 times a day
No Intervention: control; this group will not perform any stretching exercises for 5 weeks

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
muscle-tendon unit length	change in muscle tendon unit property with dynamic exercise training of 5 week will be followed	at the end of 5 weeks of training
pennation angle	change in pennation angle of the gastrocnemius muscle with dynamic stretching exercise training	at the end of 5 weeks of training
muscle thickness	change in muscle thickness of the gastrocnemius muscle with dynamic stretching exercise training will be measured by ultrasound	at the end of 5 weeks of training

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
range of ankle dorsiflexion	change in range of ankle dorsiflexion with the training program will be assessed with a universal goniometer	at the end of 5 weeks of training

Collaborators and Investigators

• Sponsor: Tokat Gaziosmanpasa University
• Investigators: Principal Investigator: Funda DEMIRTURK, PhD, Gaziosmanpasa University

Study record dates

Study Major Dates

• Study Start: June 1, 2015
• Primary Completion (Actual): August 1, 2015
• Study Completion (Actual): October 1, 2015

Study Registration Dates

• First Submitted: July 23, 2015
• First Submitted That Met QC Criteria: July 24, 2015
• First Posted (Estimate): July 28, 2015

Study Record Updates

• Last Update Posted (Estimate): November 8, 2016
• Last Update Submitted That Met QC Criteria: November 7, 2016
• Last Verified: November 1, 2016

More Information

Terms related to this study

• Keywords: ultrasound; dynamic stretching training; muscle tendon unit
• Other Study ID Numbers: 15-KAEK-097 (Ethics Committee)