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Isometric Exercise for Delayed Onset Muscle Soreness

30 de mayo de 2026 actualizado por: Onur Atakan Sekibağ, Istanbul Nisantasi University

Effects of Isometric Exercise on Recovery Following Experimentally Induced Delayed Onset Muscle Soreness: A Randomized Controlled Trial

The goal of this clinical trial is to learn whether isometric exercise can improve recovery following experimentally induced delayed onset muscle soreness (DOMS) in healthy young adults.

The main questions it aims to answer are:

  • Does isometric exercise reduce pain associated with delayed onset muscle soreness?
  • Does isometric exercise improve pressure pain threshold, knee joint range of motion, muscle strength, and recovery following delayed onset muscle soreness?

Researchers will compare participants performing an isometric exercise program with a control group receiving no intervention to determine whether isometric exercise improves recovery after experimentally induced DOMS.

Participants will:

  • Undergo a standardized exercise protocol to induce delayed onset muscle soreness.
  • Be randomly assigned to either an isometric exercise group or a control group.
  • Complete assessments of pain intensity, pressure pain threshold, knee range of motion, muscle strength, and thigh circumference.
  • Be evaluated before exercise, immediately after exercise, and on Days 1, 3, and 5 following DOMS induction.

Descripción general del estudio

Descripción detallada

Delayed onset muscle soreness (DOMS) is a common consequence of unaccustomed or high-intensity physical activity, particularly exercises involving eccentric muscle contractions. DOMS is characterized by pain, tenderness, temporary reductions in muscle function, decreased range of motion, and impaired physical performance, typically peaking between 24 and 72 hours after exercise.

Various recovery strategies have been investigated to reduce the symptoms of DOMS; however, evidence regarding the effectiveness of isometric exercise in facilitating recovery remains limited. Previous studies have suggested that isometric muscle contractions may induce analgesic effects and increase pressure pain thresholds in musculoskeletal conditions. Whether these effects can improve recovery following exercise-induced muscle damage and DOMS has not been fully established.

The purpose of this randomized controlled trial was to investigate the effects of an isometric exercise program on recovery following experimentally induced DOMS in healthy adults. DOMS was induced using a standardized drop-jump protocol. Participants were randomly assigned to either an isometric exercise group or a control group. Outcome assessments were performed before DOMS induction, immediately after exercise, and during follow-up evaluations on Days 1, 3, and 5.

The findings of this study may contribute to the understanding of the role of isometric exercise as a simple, low-cost, and clinically applicable recovery strategy following exercise-induced muscle soreness.

Tipo de estudio

Intervencionista

Inscripción (Actual)

40

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.

Ubicaciones de estudio

    • Maslak
      • Istanbul, Maslak, Turquía (Türkiye), 34398
        • Istanbul Nisantasi University

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

Descripción

Inclusion Criteria:

  • Active athletes competing in University sports teams.
  • Age between 18 and 30 years.
  • Participation in organized sports training at least three times per week for the previous six months.
  • No lower-extremity pain at the time of enrollment.
  • Ability to safely perform the exercise protocol used to induce delayed onset muscle soreness (DOMS).
  • Willingness to provide written informed consent.

Exclusion Criteria:

  • History of lower-extremity musculoskeletal injury within the previous 6 months.
  • Previous lower-extremity surgery.
  • Current musculoskeletal pain or injury affecting sports participation.
  • Neurological, rheumatological, cardiovascular, or systemic disorders affecting physical performance.
  • Use of analgesic, anti-inflammatory, or muscle-relaxant medications during the study period.
  • Participation in strenuous eccentric exercise within 72 hours prior to baseline testing.
  • Use of recovery interventions (e.g., massage, cryotherapy, compression garments, electrical stimulation) during the study period.
  • Inability to complete the exercise protocol or follow-up assessments.

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: Doble

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Isometric Exercise Group
Participants in this group underwent a standardized protocol to induce delayed onset muscle soreness (DOMS) and subsequently performed a structured quadriceps isometric exercise program during the recovery period.
Participants performed a structured quadriceps isometric exercise program following experimentally induced delayed onset muscle soreness. The exercise protocol was applied according to the study protocol throughout the recovery period.
Comparador falso: Sham Exercise Group
Participants performed a sham exercise protocol following experimentally induced delayed onset muscle soreness. The sham intervention was designed to mimic the attention and participation associated with the experimental intervention without providing the intended therapeutic effect.
Participants performed a sham exercise protocol following experimentally induced delayed onset muscle soreness. The sham intervention was designed to mimic the attention and participation associated with the experimental intervention without providing the intended therapeutic effect.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Pressure Pain Threshold
Periodo de tiempo: Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.
Pressure pain threshold measured using a digital pressure algometer following experimentally induced delayed onset muscle soreness (DOMS).
Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.
Pain Intensity
Periodo de tiempo: Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.
Pain intensity assessed using a 10-cm Visual Analog Scale (VAS) following experimentally induced delayed onset muscle soreness (DOMS).
Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Knee Joint Range of Motion
Periodo de tiempo: Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.
Knee joint range of motion measured using a standard goniometer.
Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.
Quadriceps Muscle Strength
Periodo de tiempo: Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.
Quadriceps muscle strength measured using a handheld dynamometer.
Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.
Thigh Circumference
Periodo de tiempo: Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.
Thigh circumference measured using a tape measure to assess exercise-induced swelling.
Baseline, immediately after exercise, Day 1, Day 3, and Day 5 following DOMS induction.

Colaboradores e Investigadores

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

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.

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 (Actual)

1 de abril de 2025

Finalización primaria (Actual)

18 de julio de 2025

Finalización del estudio (Actual)

18 de julio de 2025

Fechas de registro del estudio

Enviado por primera vez

30 de mayo de 2026

Primero enviado que cumplió con los criterios de control de calidad

30 de mayo de 2026

Publicado por primera vez (Actual)

4 de junio de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

4 de junio de 2026

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

30 de mayo de 2026

Última verificación

1 de mayo de 2026

Más información

Términos relacionados con este estudio

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

Descripción del plan IPD

De-identified individual participant data underlying the published results may be made available upon reasonable request to the corresponding author, subject to institutional approval and applicable ethical requirements.

Marco de tiempo para compartir IPD

De-identified individual participant data, study protocol, statistical analysis plan, and analytic code will be available beginning 6 months after publication of the primary study results and ending 5 years after publication.

Criterios de acceso compartido de IPD

De-identified individual participant data and supporting documents will be made available to qualified researchers upon reasonable request. Requests must include a methodologically sound research proposal and will be reviewed by the study investigators. Data will be provided after approval of the request and completion of an appropriate data-sharing agreement. Access will be limited to data necessary to achieve the approved research objectives.

Tipo de información de apoyo para compartir IPD

  • PROTOCOLO DE ESTUDIO
  • SAVIA
  • CÓDIGO_ANALÍTICO

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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