Optimal Duration of Stretching of the Hamstring Muscle Group in Elderly: A Randomized Controlled Trial

Optimal Time of Hamstring Stretch in Elderly

identification of optimal duration for hamstring muscle stretch by using 3 different time of stretch 15,30,60 seconds .100 subjects will be participated in this study divided into 4 group one control and 3 experimental groups according to stretch time.

Study Overview

• Status: Unknown
• Conditions: Stretch
• Intervention / Treatment: Procedure: stretch hamstring

Detailed Description

Abstract:

OBJECTIVE: To explore the effect of variable stretching intervals on neural function and ROM.

DESIGN: Randomized controlled trial Participants: In this trial, 100 participants will participate in the study diagnosed with tight hamstring muscles (defined as the inability to extend the knee to less than 20° of knee flexion) were randomly assigned to the control group or one of the 3 intervention groups Interventions: The three experimental groups will stretched 5 times per week for 4 weeks for 15, 30, and 60 seconds, respectively the control group did not stretch Main Outcome Measures: The neurophysiological outcome measures included peak to peak somatosensory evoked potential for dermatomes L3,L4,L5, and S1. Secondary outcome measures included knee ROM. All outcome measures will be assessed immediately after the treatment session and 24 hours after the treatment session.

• Study Type: Interventional
• Enrollment (Anticipated): 105
• Phase: Not Applicable

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 55 years to 65 years (Adult, Older Adult)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Subjects had to demonstrate "tight" hamstring muscles, defined as inability to extend the knee to less than 20 degrees of knee flexion with the femur held at 90 degrees of hip flexion while the person was positioned supine. Subjects were also screened to rule out knee joint flexion contractures by checking knee extension ROM, while they were lying in a prone position

Exclusion Criteria:

• Using of medical aids, and suffering from any neurological or cognitive impairment, limiting cardio-respiratory conditions, or had undergone recent surgery (within the past 12 months). Having any hip or knee replacements or any history of pathology in the low back, hips, or knees for the 3 months prior to the study

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Single

Number of Arms

4

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: 15 second stretch; Stretching of the hamstring muscles was performed by the primary researcher for 15 seconds. A straight-leg-raising technique was used for this stretch because we believe that it is commonly used in the clinical setting for elderly people. All subjects were supine lying as flat as possible	Procedure: stretch hamstring; Stretching of the hamstring muscles was performed by the primary researcher. A straight-leg-raising technique was used for this stretch because we believe that it is commonly used in the clinical setting for elderly people. All subjects were supine lying as flat as possible
Experimental: 30 second stretch; Stretching of the hamstring muscles was performed by the primary researcher for 30 seconds. A straight-leg-raising technique was used for this stretch because we believe that it is commonly used in the clinical setting for elderly people. All subjects were supine lying as flat as possible	Procedure: stretch hamstring; Stretching of the hamstring muscles was performed by the primary researcher. A straight-leg-raising technique was used for this stretch because we believe that it is commonly used in the clinical setting for elderly people. All subjects were supine lying as flat as possible
Experimental: 60 second stretch; Stretching of the hamstring muscles was performed by the primary researcher for 60 seconds. A straight-leg-raising technique was used for this stretch because we believe that it is commonly used in the clinical setting for elderly people. All subjects were supine lying as flat as possible	Procedure: stretch hamstring; Stretching of the hamstring muscles was performed by the primary researcher. A straight-leg-raising technique was used for this stretch because we believe that it is commonly used in the clinical setting for elderly people. All subjects were supine lying as flat as possible
Sham Comparator: control; The control group followed the same procedures except that no stretching force was applied at the end	Procedure: stretch hamstring; Stretching of the hamstring muscles was performed by the primary researcher. A straight-leg-raising technique was used for this stretch because we believe that it is commonly used in the clinical setting for elderly people. All subjects were supine lying as flat as possible

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Neurophysiological findings.	Neurophysiological findings included peak to peak somatosensory evoked potentials (DSSEPs) for L3,L4,L5,S1 dermatomes.	Assessments of the change of DSSEPs from baseline to immediatly after session and at 24 hour after session

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
ROM	Each subject was then measured for knee extension ROM on both lower extremities	Assessments of the change of Knee ROM from baseline to immediatly after session and at 24 hour after session

Collaborators and Investigators

• Sponsor: Cairo University

Study record dates

Study Major Dates

• Study Start (Anticipated): July 1, 2020
• Primary Completion (Anticipated): August 1, 2020
• Study Completion (Anticipated): August 1, 2020

Study Registration Dates

• First Submitted: June 25, 2020
• First Submitted That Met QC Criteria: July 2, 2020
• First Posted (Actual): July 7, 2020

Study Record Updates

• Last Update Posted (Actual): July 7, 2020
• Last Update Submitted That Met QC Criteria: July 2, 2020
• Last Verified: July 1, 2020

More Information

Terms related to this study

• Keywords: Randomized controlled trial; Stretching; Hamstring
• Other Study ID Numbers: A Randomized Controlled Trial

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: NO

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No