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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05785416
Other study ID # 16/9/121/JMI/IEC/2017
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date March 1, 2018
Est. completion date January 24, 2019

Study information

Verified date March 2023
Source Jamia Hamdard University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this clinical trial was to compare the effect of two different types of stretching techniques in elderly population. The main questions it aims to answer are: 1. What is the immediate effect (after a single intervention) of these stretching techniques on muscle flexibility, amount of knee joint motion and muscle activity? 2. What is the effect of a four week intervention program of these stretching techniques on muscle flexibility, amount of knee joint motion and muscle activity? There were three groups with ten randomly allocated participants in each group. Intervention group I was given a stretching technique called contract-relax technique and the Intervention group II was given static stretching. The third group was not given any treatment and was taken as a control. The main aim was to find out that whether the two techniques are effective or not and which one of the two is better than the other in terms of improvement in the above mentioned parameters.


Description:

The objective of the study was to compare the effects of Proprioceptive Neuromuscular Facilitation - Contract Relax (PNF- CR) and static stretch techniques immediately and post four weeks of intervention on knee range of motion, flexibility and electromyographic activity of knee muscles among older adults. This is an outcome assessor-blinded pre-test post-test randomized controlled trial with two experimental groups (PNF-CR and Static Stretching) and a control group. 30 males aged 55-75 years were randomly assigned into PNF group (n=10), Static Stretch group (n=10) and Control group (n=10). Knee range of motion, electromyographic activity of hamstrings and sit and reach test, were taken for the dominant side thrice: pre-intervention, immediately after stretching and after the training period. Active knee range of motion (ROM) was assessed using a universal goniometer. Surface Electromyography (EMG) was used to record Maximal voluntary isometric contraction (MVIC) of biceps femoris and the Chair Sit-and-Reach Test (CART) was used to assess the hamstring muscle's length flexibility.


Recruitment information / eligibility

Status Completed
Enrollment 30
Est. completion date January 24, 2019
Est. primary completion date November 28, 2018
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 55 Years to 75 Years
Eligibility Inclusion Criteria: - Male adults aged between 55 and 75 years - Able to do activities of daily living (ADL) without assistance - Able to comprehend and follow instructions Exclusion Criteria: - Grade III or IV osteoarthritis or any other musculoskeletal condition affecting the muscle length. - History of any surgery to hip, knee, low back or ankle - History of any medication (anti-inflammatory, for pain relief, or anti-arthritic) in previous six months - History of life-threatening disease (neurological disease, cardiovascular disease, severe hypertension) - Passive full knee extension (popliteal angle 180 degrees)

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Proprioceptive Neuromuscular Stretching - Contract Relax stretching (PNF-CR)
PNF-CR utilized the concept of autogenic inhibition of the muscle for improving the flexibility of the muscle. It includes stretching a muscle after a brief period of activation.
Static Stretching (SS)
The SS technique utilized the concept of creep for improving the hamstring flexibility. The stretch was maintained for a prolonged period passively by the therapist.

Locations

Country Name City State
India Out Patient Department, Centre for Physiotherapy & Rehabilitation Sciences, Jamia Millia Islamia New Delhi Delhi

Sponsors (2)

Lead Sponsor Collaborator
Deepak Malhotra Jamia Millia Islamia

Country where clinical trial is conducted

India, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in Active Knee Range of Motion The active extension knee range of motion was measured using a universal goniometer. Baseline, After 1st intervention (immediate), 4 weeks after intervention
Primary Change in Maximum Voluntary Isometric Contraction (MVIC) The Electromyographic activity of the biceps femoris muscle was evaluated using the surface electrodes during the maximal isometric contraction. Baseline, After 1st intervention (immediate), 4 weeks after intervention
Secondary Change in Hamstring flexibility The hamstring flexibility was measured using the Chair Sit and Reach Test (CART) Baseline, After 1st intervention (immediate), 4 weeks after intervention
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