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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.
Anterior Compartment
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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Bones of the Lower Limb: Femur and Patella01:16

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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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Muscles that Move the Thigh01:20

Muscles that Move the Thigh

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The thigh's motion is primarily governed by muscles originating in the pelvic girdle and inserted into the femur. One crucial muscle, the iliopsoas, is a combination of the psoas major and the iliacus muscles, sharing a common insertion point on the lesser trochanter of the femur.
Three other significant muscles are the gluteus maximus, gluteus medius, and gluteus minimus. The gluteus maximus originates from the posterior surface of the ilium, sacrum, and coccyx, and the thoracolumbar...
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Knee Joint01:23

Knee Joint

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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
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Muscles of the Leg that Move the Foot and Toes01:28

Muscles of the Leg that Move the Foot and Toes

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The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
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The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles....
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Abdominal Regions and Quadrants01:19

Abdominal Regions and Quadrants

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To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
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Updated: Jul 9, 2025

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
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Quadriceps injuries.

Ricci Plastow1, Rhody D Raj1,2, Andreas Fontalis1,2

  • 1Department of Trauma and Orthopaedics, University College London NHS Hospitals, London, UK.

The Bone & Joint Journal
|November 30, 2023
PubMed
Summary
This summary is machine-generated.

Quadriceps and rectus femoris injuries are common in athletes. This review outlines optimal diagnosis and management strategies, including surgical repair, to improve return to sport rates and reduce reinjury risk.

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Area of Science:

  • Sports Medicine
  • Orthopedic Surgery
  • Musculoskeletal Imaging

Background:

  • Quadriceps muscle injuries, particularly rectus femoris tears, are prevalent in athletes involved in high-speed running and kicking.
  • High reinjury rates (up to 67% for severe proximal tears) are reported, especially after nonoperative management.
  • These injuries can be career-threatening for elite athletes, necessitating effective treatment strategies.

Conclusions:

  • An evidence-based management framework is essential for athletes with quadriceps injuries.
  • Considering surgical repair may be beneficial for severe injuries to improve RTS and reduce reinjury.
  • Accurate diagnosis and classification guide treatment decisions for optimal athlete recovery.