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Related Concept Videos

Knee Joint01:23

Knee Joint

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 group...
Ankle Joint01:10

Ankle Joint

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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Related Experiment Video

Updated: Jun 22, 2026

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
09:31

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty

Published on: February 27, 2018

Changing sidestep cutting technique reduces knee valgus loading.

Alasdair R Dempsey1, David G Lloyd, Bruce C Elliott

  • 1School of Sport Science, Exercise and Health, The University of Western Australia, Perth, Australia. adempsey@graduate.uwa.edu.au

The American Journal of Sports Medicine
|June 11, 2009
PubMed
Summary
This summary is machine-generated.

Modifying sidestep cutting technique reduced knee loading in athletes. This whole body approach may help prevent anterior cruciate ligament (ACL) injuries in sports.

Related Experiment Videos

Last Updated: Jun 22, 2026

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
09:31

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty

Published on: February 27, 2018

Area of Science:

  • Biomechanics
  • Sports Medicine
  • Injury Prevention

Background:

  • Noncontact anterior cruciate ligament (ACL) injuries often occur during sidestep cutting tasks.
  • Associated lower limb postures increase knee loading and ACL stress.

Purpose of the Study:

  • To investigate if whole body technique modification reduces knee loading during sidestep cutting.
  • To determine if altered movement patterns decrease anterior cruciate ligament (ACL) stress.

Main Methods:

  • Controlled laboratory study involving experienced team sport athletes.
  • Six-week whole body sidestep cutting technique modification training program.
  • Collection of ground-reaction force and motion data during sidestep cutting tasks before and after training.
  • Utilized kinematic and inverse dynamics modeling to compute 3D knee loading.

Main Results:

  • Athletes adopted a stance foot position closer to the midline and a more upright torso.
  • Significant reductions in peak knee valgus moments during the weight acceptance phase were observed.
  • Postural changes demonstrated a correlation with the reduction in peak valgus moments.

Conclusions:

  • Whole body technique modification effectively reduced knee loading during sidestep cutting.
  • This training approach shows promise for developing anterior cruciate ligament (ACL) injury prevention strategies in sports.
  • Implementing technique modification may enhance athlete safety in sports requiring sidestep cutting.