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Related Concept Videos

Ankle Joint01:10

Ankle Joint

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Muscles of the Vertebral Column01:27

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The back muscles that lie deep into the thoracolumbar fascia are called intrinsic or true back muscles. These muscles are divided into four layers: superficial, intermediate, deep, and deepest layers.
Superficial Layer:
The superficial layer consists primarily of the splenius muscles, which include the splenius capitis and splenius cervicis. These muscles are mainly responsible for the head and cervical spine movements, including extension, rotation, and lateral bending. The splenius capitis...
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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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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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Updated: Oct 17, 2025

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
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The Hip-Spine Challenge.

Joseph C Chavarria1, Diana G Douleh1, Philip J York2

  • 1Department of Orthopedics, University of Colorado, Aurora, Colorado.

The Journal of Bone and Joint Surgery. American Volume
|October 6, 2021
PubMed
Summary
This summary is machine-generated.

Diagnosing and treating hip and spine issues together is complex due to similar symptoms. Addressing spinal alignment and using stable implants are key for better outcomes in hip-spine syndrome patients.

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Area of Science:

  • Orthopedic Surgery
  • Spine Surgery
  • Arthroplasty

Background:

  • Concurrent hip and spine pathologies present diagnostic and treatment challenges due to overlapping symptoms.
  • There is no established consensus on the optimal sequence for addressing hip and spinal conditions.
  • Spinal degeneration, deformity, or prior fusion significantly impacts spinopelvic biomechanics, increasing dislocation risk during total hip arthroplasty.

Purpose of the Study:

  • To highlight the complexities of managing patients with co-existing hip and spine conditions.
  • To emphasize the importance of recognizing spinal issues in hip arthroplasty candidates.
  • To discuss strategies for minimizing dislocation risk in patients with hip-spine syndrome.

Main Methods:

  • Literature review and clinical case analysis (implied).
  • Focus on biomechanical alterations and surgical considerations.
  • Emphasis on diagnostic work-up and implant selection.

Main Results:

  • Advanced spinal issues can compromise spinopelvic biomechanics, elevating dislocation risk in total hip arthroplasty.
  • Careful attention to implant positioning and the use of enhanced stability implants are crucial.
  • Restoration of sagittal balance is vital for successful spinal surgery outcomes.

Conclusions:

  • Managing hip-spine syndrome requires meticulous attention to spinal alignment and biomechanics.
  • Improved understanding of spinopelvic mobility and sagittal alignment, aided by new imaging, will enhance treatment.
  • Optimizing surgical planning and implant choice can mitigate risks like dislocation.