Verification of the Superiority of Radiofrequency Irradiation with Static Stretching over Static Stretching Alone for Hamstring Tightness

Verification of the Superiority of Radiofrequency Irradiation with Static Stretching over Static Stretching Alone for Hamstring Tightness - Radiofrequency with Static Stretching versus Static Stretching alone for Hamstring Tightness

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000055705

Enrollment

Registered

2024-10-02

Start date

2022-07-18

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hamstring Tightness

Interventions

In RF group: Five repetitions (1 min each) of static stretching were performed with 45 sec of rest between each stretch. Two minutes of radiofrequncy is applied before the start of stretching and duri

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Participants were eligible for inclusion if they met all of the following criteria: age between 18 and 29 years and asymptomatic tightness in the hamstrings of the dominant leg (lag > 20 degree) on the Active Knee Extension Test

Exclusion criteria

Exclusion criteria: Trauma to the hip, knee, or back; diagnosis of low back pain; previous hamstring injury; history of any neurological disorder; and recent stretching maneuver.

Design outcomes

Primary

Measure	Time frame
Extension Angle of Knee Joint as Primary Outcome	—

Secondary

Measure	Time frame
Muscle properties for the Lateral and Medial Hamstrings Muscle	—

Countries

Japan

Contacts

Public ContactHideyuki Usa

Faculty of Health Sciences, Tokyo Metropolitan University, Tokyo, Japan Division of Physical Therapy

usa@tmu.ac.jp+81-3-3819-1211

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026