About this trial
The aim of this study will be to investigate the effects of different myofascial release techniques on flexibility, balance, and performance in individuals with hamstring (HT) muscle shortness. A total of 48 participants with hamstring shortness will be randomly assigned into three groups: Group I (Manual Myofascial Release Group), Group II (Graston Group), and Group III (Home Exercise Group).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Being between 18 and 60 years of age,
Visible shortening of the hamstring muscle,
Passive straight leg raise (SLR) angle ≤ 70 degrees,
No musculoskeletal problems in the lower extremity,
Disqualifiers
Participating in intense physical activity within the last 24 hours
Having had previous lower extremity trauma or surgery
Having ankle instability
Having neurological findings during the DBK test
Trial design
Parallel
Treatments tested in this trial
Manual myofascial release group
Other interventionManual myofascial release techniques were applied to Group I on the feet, legs, and thighs, twice a week for 4 weeks.
Graston group
Other interventionGraston was applied to the gastrocnemius and hamstring muscles, and before the application, solid petroleum jelly was applied to the area to lubricate the surface. A stainless steel Graston instrument was used for the application, using a superficial sweep technique at a 30-degree angle for 2 minutes, followed by a deep sweep for 30 seconds.
Home based exercise group
Other interventionGroup III received a home exercise program that included stretching exercises. They were asked to perform the exercises twice a week for four weeks, with 15-20 repetitions, without any intervention from a physiotherapist.
Treatment groups
Trial outcomes
Primary outcomes
V-Sit-Reach Test
This test can be easily performed without requiring a flexibility bench. The subject is asked to sit with their heels touching the floor and their toes pointing upward, with a distance of 30 cm between their feet. A straight line is drawn between their heels, which is considered the zero point. The subject reaches forward toward their heels without bending their knees. The best measurement is recorded as + or -.
Single Leg Stance Test
It's one of the most frequently used tests by physiotherapists to assess postural stability. During the test, the patient is asked to keep their eyes open and their hands secured at the waist. They are asked to stand on one leg without any support, with the raised leg not touching the ground and avoiding any jumping, hopping, or other similar movements. This test is performed three times on each leg, and the average is calculated.
Y Balance Test
The Y-shaped dynamic balance test is both economical and easy to perform compared to other balance tests and is an effective test for determining balance asymmetry. The Y-shaped balance test assesses individuals' dynamic balance in the anterior, posteromedial, and posterolateral directions. Before starting the test, the Y-shaped directions are determined. The average of the three distances is taken, and the ratio of the absolute distance to leg length is recorded.
T Drill Test
Four cones are required for the course. Participants begin at cone "A" at the start command. They run straight to cone "B" and touch it with their right hand. They then sidestep to cone "C" and touch it with their left hand. They then sidestep to cone "D" and touch it with their right hand. Finally, they sidestep to cone "B" and touch it with their left hand. They then run back to cone "A" and stop the stopwatch as soon as they reach cone "A." The time is recorded in seconds. They run three times, resting between each repetition, and their best time is recorded.
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