hamstring shortness.
Conditions
Interventions
Sponsors
Eligibility
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
| Measure | Time 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
Tehran University of Medical Sciences