Skip to content

Effects of adding massage gun before or after dry needling versus dry needling alone on hamstring flexibility, strength and performance, and post-needling soreness in male amateur bodybuilders with hamstring shortness

Effects of adding massage gun before or after dry needling versus dry needling alone on hamstring flexibility, strength and performance, and post-needling soreness in male amateur bodybuilders with hamstring shortness

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250313065062N1
Enrollment
36
Registered
2025-05-05
Start date
2025-05-05
Completion date
Unknown
Last updated
2025-07-21

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

Conditions

hamstring shortness.

Interventions

Intervention 1: Control group: Dry needling ? A physiotherapist will use sterile disposable needles (Eacu brand, Korea) for dry needling, using hygienic measures such as wearing gloves and using alcoh

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Male amateur bodybuilders with at least three two-hour training sessions per week Age range 18 to 40 years Hamstring shortening =20 degrees in the dominant leg, determined by active knee extension testing Body mass index (BMI) between 18.5 and 29.9 kg/m2

Exclusion criteria

Exclusion criteria: Use of nonsteroidal anti-inflammatory drugs, analgesics, or muscle relaxants during the study period Having any contraindications for dry needling, including, medical emergency or acute medical condition, local infection, lymphedema, coagulation disorders such as hemophilia, epilepsy, metal sensitivity (dry needling) Having any contraindications for percussive massage, including varicose veins, broken bones, areas with blood clots Back pain or radicular pain within the past 3 months History of back, hip, or knee surgery within the past year of hamstring strain within the past 3 months History of orthopedic or neurological diseases in the lower extremities

Design outcomes

Primary

MeasureTime frame
Hamstring muscle flexibility. Timepoint: Before the intervention, immediately after the intervention, and 24 hours after the intervention. Method of measurement: With goniometer in active knee extension test 90/90.;Hamstring stretch tolerance angle degree. Timepoint: Before the intervention, immediately after the intervention, and 24 hours after the intervention. Method of measurement: With goniometer in active knee extension test 90/90.;Maximum hamstring strength in isometric contraction at 45 and 60 degree knee angles. Timepoint: Before the intervention, immediately after the intervention, and 24 hours after the intervention. Method of measurement: Dynamometer.;Hamstring to quadriceps contraction ratio at 45 and 60 degree knee angles. Timepoint: Before the intervention, immediately after the intervention, and 24 hours after the intervention. Method of measurement: Dynamometer and ratio formula.;Performance. Timepoint: Before the intervention, immediately after the intervention, and 24 hours after the intervention. Method of measurement: Triple hop test.;Dry needling soreness. Timepoint: Before the intervention, immediately after the intervention, and 24 hours after the intervention. Method of measurement: Numerical pain rating scale.;Pressure pain threshold. Timepoint: Before the intervention, immediately after the intervention, and 24 hours after the intervention. Method of measurement: Algometer.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMohsen Ghoorchibeigi

Tehran University of Medical Sciences

mohsenghoorchibeigi@gmail.com+98 21 8835 2176

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026