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Related Concept Videos

Muscles that Move the Leg01:23

Muscles that Move the Leg

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The movement of the legs is facilitated by numerous muscles located within the anterior, medial, and posterior compartments of the thigh.
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The quadriceps femoris, the most visible muscle of the anterior compartment, is integral for leg extension and thigh flexion. It is formed by merging four distinct muscles — the vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris. The quadriceps tendon, a shared tendon of the four quadriceps muscles, is affixed...
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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
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Related Experiment Video

Updated: Mar 9, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
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[Avulsion of the Proximal Hamstring Insertion. Case Reports].

R Mizera1, R Harcuba, J Kratochvíl

  • 1Oddělení ortopedie, Traumatologicko-ortopedické centrum, Krajská nemocnice Liberec, a.s.

Acta Chirurgiae Orthopaedicae Et Traumatologiae Cechoslovaca
|December 28, 2016
PubMed
Summary
This summary is machine-generated.

Proximal hamstring avulsion is an uncommon injury. Acute surgical reconstruction (<4 weeks) showed promising results, with two of three patients symptom-free at six months.

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Musculoskeletal Imaging

Background:

  • Proximal hamstring avulsion is a rare injury lacking surgical consensus.
  • Diagnosis can be challenging due to subtle symptoms.
  • Biceps femoris muscle ruptures are a subset of these injuries.

Observation:

  • Three cases of proximal hamstring avulsion (two complete, one partial biceps femoris rupture) were analyzed.
  • MRI and ultrasound guided surgical repair.
  • Acute reconstruction (< 4 weeks) was performed in two patients.

Findings:

  • Complete ruptures were re-attached using suture anchors; partial rupture repaired with simple suture.
  • Two patients achieved full symptom resolution at 6 months post-surgery.
  • One patient experienced residual subgluteal pain and mild hamstring weakness.

Implications:

  • Early surgical intervention for proximal hamstring avulsion may yield positive outcomes.
  • Imaging modalities like MRI and ultrasound are crucial for diagnosis and surgical planning.
  • Further research and systematic reviews are needed to establish definitive treatment guidelines.