II. Risk Factors
- Quadriceps may be overdeveloped compared to Hamstrings
- Quadriceps to hamstring strength ratio
- Normal: 2 to 1 ratio
- Risk for Hamstring Strain: 5 to 1 ratio
III. Symptoms
- Cramping pain in posterior thigh or deep buttocks
- Pain radiation to popliteal fossa
- Insidious onset
- Provocative factors
- Running
- Sitting
IV. Signs
- Ecchymosis may be present
- Indentation in hamstring Muscle at defect or tear
- Palpate ischial tuberosity (insertion)
- Focal tenderness may be present
- Modified bent-knee test (LR+ 10.2, LR- 0.12)
- Patient lies supine
- Examiner lifts leg to 90 degrees with knee bent
- Examiner rapidly straightens leg (extends knee)
- Pain at hamstring insertion with maneuver
V. Management
-
Eccentric Exercise
- Single leg squat
- Flex and extend knee
-
Lunges
- Lower knee in large step
- Nordic curls
- Patient kneels with knees held
- Lower trunk forward
- Single leg squat
- Other measures
VI. Complications
VII. References
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Related Studies
Concepts | Injury or Poisoning (T037) |
SnomedCT | 209504009, 262992000 |
Dutch | verrekte hamstring, verstuikte hamstring |
French | Elongation du tendon du jarret, Entorse du jarret |
German | gezerrter Hamstringmuskel |
Italian | Distrazione del tendine popliteo, Tendine popliteo stirato |
Portuguese | Cavado poplíteo com entorse, Cavado poplíteo torcido |
Spanish | Tirón de los tendones de la corva, Torcedura del tendón de los músculos de la corva, esguince de tendón femoral de la corva (trastorno), esguince de tendón femoral de la corva |
Japanese | 膝屈曲筋捻挫, 膝屈曲筋肉離れ, ヒザクッキョクキンニクバナレ, シツクッキョクキンネンザ, シツクッキョクキンニクバナレ, ヒザクッキョクキンネンザ |
Czech | Natažené úpony hamstringů, Natažené flexory lýtka |
English | hamstring pulls, hamstring pull, pulled hamstring, hamstring sprain, hamstrings pulled, sprained hamstring, hamstring pulled, hamstring pulling, Hamstring sprain, Hamstring sprain (disorder), Pulled hamstring, Sprained hamstring |
Hungarian | Térdín húzódása, Megrándult térdín |