Fexibility and Jump Performance

NCT07138950 — Not applicable, Completed, 42 participants, Suleyman Demirel University

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Hamstring Kasına UygulananStatik Germe ve Mulligan Bent Leg Raise Tekniğinin Fleksibilite ve Sıçrama Performansı Üzerine Akut Etkisi

Registry	NCT07138950
Status	Completed
Phase	Not applicable
Study type	Interventional; randomized, parallel, masking: double, other
Enrollment	42 (Actual)
Sponsor	Suleyman Demirel University (Other)
Conditions	Hamstring Muscle Tightness, Static Stretching, Mulligan Mobilization, Jump Performance
Interventions	Mulligan Bent Leg Raise (BLR) Technique, Static Stretching (Other)
Dates	start 2025-01-01, primary completion 2025-05-05, completion 2025-05-05, first posted 2025-08-24, last updated 2025-08-24
Locations	1 site in Turkey (Türkiye)

-Summary

This study was conducted to compare the effects of the static and Mulligan bent leg raise (BLR) techniques applied to address hamstring tightness on jumping performance. Participants with hamstring tightness participated in the study and were randomized into two groups. Group 1 (Classic Stretching Group) underwent a 30-second hamstring stretching protocol consisting of 5 repetitions. Participants in Group 2 underwent the BLR technique. Participants' active knee extension, vertical jump, and single-leg horizontal jump were measured before and after the study.

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+Arms and interventions

Arm	Type	Interventions	Description
BLR	Other	Other: Mulligan Bent Leg Raise (BLR) Technique
SS	Active comparator	Other: Static Stretching

Mulligan Bent Leg Raise (BLR) Technique (Other): The Mulligan bent leg raise technique involves isometric contraction followed by stretches applied to the hamstring muscle in specific directions. The aim is to increase hamstring flexibility and active knee extension range of motion. The participant lay supine on an elevated bed, while the physiotherapist sat lateral to the leg to be stretched, placing the popliteal fossa of the participant's knee on their shoulder. The hip and knee of the leg to be stretched were flexed to 90°. Distraction was applied to the lower end of the femur, and the participant was asked to push the physiotherapist's shoulder with their leg and then relax. At this point of relaxation, the physiotherapist pushed the flexed knee as far forward as possible in the direction of hip flexion within a painless range. This position was held for 5 seconds at the end of the movement. Then, the neutral position was returned, and the procedure was repeated three times
Static Stretching (Other): Participants lay supine on a stretcher with their backs straight. With the knee fully extended, the physical therapist placed the participant's leg on their shoulder and supported the ankle

+Outcome measures

Primary outcomes

vertical jump [through study completion, an average of 5 months]
Active Knee Extension Test [through study completion, an average of 5 months]
one leg hop test [through study completion, an average of 5 months]

+Eligibility

Sex: All, ages: 18 Years to 30 Years, accepts healthy volunteers

Inclusion Criteria:

\- Diagnosis of hamstring muscle tightness.

Exclusion Criteria:

* Having any functional limitations that could affect test performance.
* Having any medical conditions that could affect the tests.
* Having more than 25° of limitation in the active knee extension test.
* Any lower extremity injury history within 2 years.
* Any neurological problem.
* Corticosteroid use.

+Locations (1)

Facility	City	Country	Status
Süleyman Demirel Üniversitesi Sağlık Bilimleri Fakültesi	Isparta, Merkez	Turkey (Türkiye)

+Publications

Results publication: Keskin T, Ergan M, Baskurt Z, Baskurt F. Acute Effects of Static Stretching and Mulligan Bent Leg Raise on Hamstring Flexibility and Jumping Performance in Asymptomatic Young Adults: A Single-Session Study. J Musculoskelet Neuronal Interact. 2026 Jun 1;26(2):234-241. doi: 10.22540/JMNI-26-234. PMID 42220028