The rupture of anterior cruciate ligament
Conditions
Interventions
Patients of anterior cruciate ligament deficient:fish terminal knee extension maximum voluntary contraction and step-up tests.
Normal group:fish terminal knee extension maximum voluntary contraction and step-up tests.
acute group:fish terminal knee extension maximum voluntary contraction and step-up tests.
Chronic group:fish terminal knee extension maximum voluntary contraction and step-up tests.
Sponsors
The second Affiliated Hospital, School of Medicine, Zhejiang University
Eligibility
Sex/Gender
All
Age
16 Years to 50 Years
Inclusion criteria
Inclusion criteria: Inclusion criteria were a positive Lachman test result or anterior drawer sign or documented pivot shift, no posterior drawer sign, and a negative Lateral Slocum test, as confirmed by MRI and a medical specialist.
Exclusion criteria
Exclusion criteria: Individuals with age>50years or28kg/cm2,or pain or swelling obviously in the knee were excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| co-contraction ratio of hamstring; | — |
Secondary
| Measure | Time frame |
|---|---|
| co-contraction level of hamstring;surface electromyography of vastus medialis;surface electromyography of vastus lateralis;surface electromyography of biceps femoris;surface electromyography of semitendinosus;Lyshom scale;Tegner scale;International Knee Documentation Committee(IKDC) questionnaires; | — |
Countries
China
Contacts
Public ContactHongyun Song
The second Affiliated Hospital, School of Medicine, Zhejiang University
Outcome results
None listed