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Effectiveness of Dry Needling in Athletes With Chronic Hamstring Strain

29 de abril de 2026 actualizado por: Amr Mostafa Kamal Anas, Cairo University

Effectiveness of Dry Needling on Athletes With Chronic Hamstring Strain

This study aims to evaluate the effectiveness of dry needling in reducing pain and improving functional outcomes in athletes with chronic hamstring strain. Chronic hamstring injuries are common among athletes and often lead to persistent pain, reduced performance, and limitations in daily and sports activities.

Dry needling is a therapeutic technique used to target myofascial trigger points and relieve muscle tension. This study will compare the effects of dry needling with conventional physiotherapy interventions to determine its role in managing chronic hamstring strain.

Participants will be athletes diagnosed with chronic hamstring strain. Outcomes will include pain intensity, muscle flexibility, and functional performance. The results of this study may help improve rehabilitation strategies and provide evidence for the use of dry needling in sports injuries.

Descripción general del estudio

Estado

Aún no reclutando

Condiciones

Intervención / Tratamiento

Descripción detallada

Chronic hamstring strain (CHS) is a common musculoskeletal condition among athletes, particularly in sports involving high-speed running and sudden changes in direction. It is characterized by persistent or recurrent symptoms lasting more than three months and is often associated with reduced muscle flexibility, decreased performance, and an increased risk of reinjury.

Dry needling (DN) has emerged as a therapeutic intervention targeting myofascial trigger points to reduce pain, improve muscle function, and restore neuromuscular control. It is believed to act through both mechanical and neurophysiological mechanisms, including reduction of muscle tension and modulation of pain pathways.

This study aims to investigate the effectiveness of dry needling as an adjunct to conventional physiotherapy in athletes with chronic hamstring strain. Participants will be randomly assigned into two groups. The experimental group will receive dry needling combined with a structured physiotherapy program, while the control group will receive the same physiotherapy program without dry needling.

The physiotherapy program will include stretching exercises, strengthening exercises with an emphasis on eccentric loading, and functional training. Dry needling will be applied to identified trigger points in the hamstring muscles using standard clinical techniques.

Outcome measures will include pain intensity, hamstring flexibility, and functional performance. Assessments will be conducted before and after the intervention period.

The results of this study are expected to provide evidence regarding the added value of dry needling in improving rehabilitation outcomes for athletes with chronic hamstring strain.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

38

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

Ubicaciones de estudio

  • Egipto
    • Alexandria Governorate
      • Alexandria, Alexandria Governorate, Egipto
        • Abu Qir General Hospital
        • Contacto:

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto

Acepta Voluntarios Saludables

No

Descripción

Inclusion Criteria:

  • Male football players aged 18 to 35 years.
  • Diagnosed with chronic hamstring strain (CHS) confirmed by ultrasonography.
  • Injury duration of more than 3 months.
  • Classified as Grade I or Grade II hamstring strain.
  • Currently participating in the competitive phase of football.
  • Body Mass Index (BMI) between 21-25 kg/m².

Exclusion Criteria:

  • Previous exposure to dry needling therapy.
  • Presence of any other current lower limb injuries.
  • Participation in another hamstring rehabilitation program.
  • Active skin infection at or near the treatment area.
  • Bleeding disorders or use of anticoagulant medications.
  • Severe needle phobia or psychological intolerance to needling.
  • Presence of neuromuscular disorders (e.g., muscular dystrophy or peripheral neuropathy).

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Comparador activo: Control Group (A)
Participants will receive only the standard rehabilitation program without dry needling.
Procedimiento: Standard Rehabilitation Program
Participants will receive a standardized rehabilitation program including stretching and eccentric strengthening exercises for hamstring muscles without dry needling.
Experimental: Intervention Group (B)
Participants will receive dry needling treatment in addition to a standard rehabilitation program for chronic hamstring strain
Procedimiento: Standard Rehabilitation Program
Participants will receive a standardized rehabilitation program including stretching and eccentric strengthening exercises for hamstring muscles without dry needling.
Procedimiento: Dry Needling
Participants will receive dry needling treatment applied to active myofascial trigger points in the hamstring muscles (biceps femoris, semitendinosus, and semimembranosus). Sterile filiform needles will be inserted into identified trigger points to elicit local twitch responses and reduce muscle pain and tightness. Treatment will be performed in addition to a standardized rehabilitation program including stretching and strengthening exercises for the hamstring muscle group. Sessions will be administered over the study period according to a predefined treatment schedule.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Pain Intensity
Periodo de tiempo: Baseline (pre-intervention) and after 6 weeks of treatment
Pain intensity in chronic hamstring strain will be assessed using the Visual Analog Scale (VAS), a 10-cm scale ranging from 0 (no pain) to 10 (worst imaginable pain). Measurements will be taken at baseline and after completion of the intervention period to evaluate changes in pain perception.
Baseline (pre-intervention) and after 6 weeks of treatment

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Functional Performance
Periodo de tiempo: Baseline (pre-intervention) and after 6 weeks of treatment
Functional outcomes will be assessed using the Lower Extremity Functional Scale (LEFS) to evaluate the impact of intervention on daily and sports-related activities.
Baseline (pre-intervention) and after 6 weeks of treatment
Hamstring Muscle Strength
Periodo de tiempo: Baseline (pre-intervention) and after 6 weeks of treatment
Hamstring muscle strength will be measured using a handheld dynamometer during maximal isometric contraction.
Baseline (pre-intervention) and after 6 weeks of treatment
Hamstring Flexibility
Periodo de tiempo: Baseline (pre-intervention) and after 6 weeks of treatment
Hamstring flexibility will be assessed using the popliteal angle test with a universal goniometer.
Baseline (pre-intervention) and after 6 weeks of treatment
Kicking Speed
Periodo de tiempo: Baseline (pre-intervention) and after 6 weeks of treatment
Kicking speed will be measured using a radar gun to assess football-specific performance.
Baseline (pre-intervention) and after 6 weeks of treatment

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Cairo University

Investigadores

  • Investigador principal: Amr Anas, BSc, Cairo University
  • Director de estudio: Ebtessam Gomaa, PhD, Cairo University
  • Director de estudio: Marihan Makary, Cairo University

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

  • Petersen J, Thorborg K, et al. Eccentric training prevents hamstring injuries. Am J Sports Med. 2011;39(11):2296-2303.
  • Espejo-Antúnez L, et al. Dry needling systematic review. Complement Ther Med. 2017;33:46-57. https://doi.org/10.1016/j.ctim.2017.06.004
  • Ekstrand J, Hägglund M, Waldén M. Muscle injuries in professional football. Am J Sports Med. 2016;44(3):576-585. https://doi.org/10.1177/0363546515621377
  • Dunning J, et al. Dry needling clinical practice review. Phys Ther Rev. 2021;26(5-6):287-307. https://doi.org/10.1080/10833196.2021.1983244
  • Croisier JL. Recurrent hamstring injury risk factors. Sports Med. 2004;34(10):681-695. https://doi.org/10.2165/00007256-200434100-00005
  • Chaabene H, et al. Hamstring strength assessment systematic review. Sports Med Open. 2019;5:23. https://doi.org/10.1186/s40798-019-0198-7
  • Chamorro C, et al. Reliability of handheld dynamometry and isokinetic testing. Open Med. 2014;9(4):382-397. https://doi.org/10.1515/med-2014-0058
  • Canosa-Carro L, et al. Dry needling effects on hamstring flexibility and performance. J Sport Rehabil. 2022;31(3):254-261. https://doi.org/10.1123/jsr.2020-0225
  • Buckthorpe M, et al. Hamstring injuries in football: risk factors and RTP. Br J Sports Med. 2020;54(19):1081-1091.
  • Brukner P. Hamstring injuries: prevention and treatment update. Br J Sports Med. 2015;49(19):1241-1244. https://doi.org/10.1136/bjsports-2014-094427
  • Bourne MN, et al. Eccentric training and hamstring injury risk. Scand J Med Sci Sports. 2017;27(11):1180-1187.
  • Bahr R, et al. Hamstring injury prevention programs: systematic review. Br J Sports Med. 2018;52(17):1077-1085.
  • Bahr R, Thorborg K, Ekstrand J. Nordic hamstring survey and prevention adherence. Br J Sports Med. 2015;49(22):1466-1471. https://doi.org/10.1136/bjsports-2015-094826
  • Askling CM, Tengvar M, Saartok T, Thorstensson A. Acute hamstring injuries in elite football: RCT comparing rehabilitation protocols. Br J Sports Med. 2013;47(15):953-959. https://doi.org/10.1136/bjsports-2013-092165
  • Ahmad CS, Redler LH, Ciccotti MG, Maffulli N, Longo UG, Bradley J. Evaluation and management of hamstring injuries. Am J Sports Med. 2013;41(2):293-302. https://doi.org/10.1177/0363546512466064

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Estimado)

1 de mayo de 2026

Finalización primaria (Estimado)

30 de septiembre de 2026

Finalización del estudio (Estimado)

30 de abril de 2027

Fechas de registro del estudio

Enviado por primera vez

29 de abril de 2026

Primero enviado que cumplió con los criterios de control de calidad

29 de abril de 2026

Publicado por primera vez (Actual)

6 de mayo de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

6 de mayo de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

29 de abril de 2026

Última verificación

1 de abril de 2026

Más información

Términos relacionados con este estudio

Palabras clave

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • P.T.REC/012/006296

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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