Muscle injury Muscle injury
Conditions
Interventions
1. Test on healthy subjects (to investigate whether electrical stimulation after muscle contraction effectively improves stiffness)
Load is applied to both hamstrings, electrical stimulation is applie
Sponsors
Itoigawa Yoshiaki
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. study on healthy subjects Subjects: 20 healthy subjects with no history of previous separation or surgery of both hamstring tendons. 2. study in patients with torn labrum Subjects: 20 patients with acute gastrocnemius muscle separation
Exclusion criteria
Exclusion criteria: History of previous hamstring tendon tear/surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Tests on healthy subjects SWE values (biceps femoris, semitendinosus and semimembranosus muscles) 2. tests on patients with separated muscles B-mode ultrasound (assessment of blood flow and scar tissue thickness) | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. tests on healthy subjects SLR angle Muscle strength (biceps femoris, semitendinosus and semimembranosus muscles) 2.Tests on patients with separated muscles SWE value (gastrocnemius tendon) | — |
Contacts
Public ContactHirohisa Uehara
Department of Orthopaedic Surgery
Outcome results
None listed