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NCT04448288 Clinical Trial

Time-based Effects of Stretching on Hamstrings Muscle Strength

Stretch Clinical Trial

Official title:
Time-based Effects of Stretching on Hamstrings Muscle Strength

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT04448288
Other study ID # RRC-2019-003
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 30, 2019
Est. completion date April 15, 2019

Study information
Verified date June 2020
Source King Saud University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Stretching is reported to have detrimental effects on strength and thus avoided prior to strength training session. Do stretching indeed decreases muscle strength? To examine the time course (immediate, 10- and 20-min post stretching) for the effects of 2, 4, and 8 min long duration of static-stretching (SS) on isometric maximum voluntary contraction (MVC) force of hamstring muscles.

Description:

OBJECTIVE: To examine the time course (immediate, 10- and 20-min post stretching) for the effects of 2, 4, and 8 min long duration of static-stretching (SS) on isometric maximum voluntary contraction (MVC) force of hamstring muscles.

METHODS: Pretest-posttest experimental design. Total of 14 subjects with mean age 25 years participated in three experimental trials on three different days. On day-I for static-stretching for 2 minutes (SS2), day-II for 4 minutes (SS4), and day-III for 8 minutes (SS8). Testing was conducted before (pre), immediately after (post), and at 10 and 20 min post stretching. MVCF was measured using strain gauze as the main outcome measure.

Recruitment information / eligibility
Status Completed
Enrollment 14
Est. completion date April 15, 2019
Est. primary completion date April 15, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 24 Years to 30 Years
Eligibility Inclusion Criteria:

- Subjects used to engage in 1 to 5 hours of physical activity per week. They were not doing stretching exercises regularly.

Exclusion Criteria:

- Subjects having any current injury specific to lower limb joints or current neuromuscular disease were excluded from the study.

Study Design

Related Conditions & MeSH terms

Intervention

Other:
• Static stretching
Static stretchings were performed by subjects that involved varied repetitions of 30-s static-stretches and 20-s relax period.

Locations
Country Name City State
Saudi Arabia King Saud University Riyadh

Sponsors (1)
Lead Sponsor Collaborator
King Saud University

Country where clinical trial is conducted

Saudi Arabia, 

Outcome
Type Measure Description Time frame Safety issue
Primary Change in Maximum voluntary contraction force (MVCF) before and after stretching Change in Isometric strength (MVCF) was measured before and after stretching using strain gauge MVCF was measured on 3 different days with each day separated by 3-4 days.
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