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Knee Joint01:23

Knee Joint

2.8K
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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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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Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

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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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Restorative Care01:19

Restorative Care

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Restorative care is provided once a patient has been discharged from a healthcare facility and requires additional services. The additional services include home care, rehabilitation programs, and extended care. Restorative care centers help the patient regain their previous level of functioning or acquire a new level of functioning due to the incapacitating effects of a disease or a disability. It aims to assist patients in enhancing their quality of life by encouraging independence,...
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Method of Joints: Problem Solving II01:30

Method of Joints: Problem Solving II

883
Consider a truss structure with frictionless joints fixed to a wall and roller support. If a force of 150 N is applied to joint A, the forces in each member of the truss can be determined using the method of joints.
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Chest Physiotherapy01:24

Chest Physiotherapy

1.1K
Chest Physiotherapy (CPT) is a therapeutic technique used in respiratory care to improve ventilation, clear bronchial secretions, and enhance the efficiency of respiratory muscles. This therapy includes three primary procedures: postural drainage, percussion, and vibration. It can be performed on spontaneously breathing patients and those who are intubated and mechanically ventilated.
Purpose
CPT is primarily used for patients with excessive bronchial secretions who have difficulty clearing...
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Related Experiment Video

Updated: Nov 30, 2025

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

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High-level judo practice after hip resurfacing.

Harold Common1, Romain Rousseau2, Sophie Putman3

  • 1Faculté de médecine de Rennes, université de Rennes 1, Rennes, France; Service de chirurgie orthopédique réparatrice et traumatologique, hôpital Pontchaillou, CHU de Rennes, Rennes, France; Service dorthopédie C, hôpital Salengro, CHRU de Lille, Lille, France.

Orthopaedics & Traumatology, Surgery & Research : OTSR
|November 15, 2020
PubMed
Summary

Hip resurfacing arthroplasty (HRA) enables expert judo athletes to return to sport safely. Most patients resumed judo practice, with increased weekly training volume and no short-term complications like dislocation or loosening.

Keywords:
Hip resurfacing arthroplastyJudoReturn to sport

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Reconstructive Surgery

Background:

  • Patient demand for returning to sports after hip arthroplasty is increasing.
  • High-impact sports like judo pose risks (loosening, dislocation, revision) after hip surgery.
  • Limited research exists on judo participation post-hip resurfacing arthroplasty (HRA).

Purpose of the Study:

  • To evaluate the return to judo after HRA in expert practitioners.
  • To analyze the time and level of judo practice post-HRA.
  • To determine the surgical complication rate in this cohort.

Main Methods:

  • Retrospective observational study of expert judo athletes (≥black belt 3rd Dan) who underwent HRA.
  • Sport-specific questionnaire assessing practice level, type, dan grade, and training volume.
  • Analysis of return-to-judo features (technical, ground, combat) and complications.

Main Results:

  • 90% of patients (53/60) resumed judo after a mean of 4-7 months post-HRA.
  • Significant improvement in clinical scores and increased weekly practice volume (0.9 to 5 hours).
  • No short-term complications (fracture, dislocation, loosening) reported; 3 patients switched sports, 2 had apprehension, 2 had pain.

Conclusions:

  • HRA facilitates return to high-level judo practice for expert athletes.
  • The procedure is associated with a low rate of short-term complications in this cohort.
  • Expert judo practitioners can safely return to their sport after HRA.