Insall &Amp;amp;amp Scott Surgery of the Knee 2012
DOI: 10.1016/b978-1-4377-1503-3.00015-9
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Contact Mechanics of the Human Knee

Adrija Sharma1,
Richard D. Komistek2
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Cited by 3 publications

(5 citation statements)
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“…The posterior motion of the lateral condyle and the minimal anterior movement of the medial condyle are similar in pattern as observed in normal knees [7,16] and are consistent with data reported for TKAs with posterior stabilized-type prostheses during deep knee bending [5,8]. Posterior motion of the lateral condyle has been shown to increase flexion by preventing impingement of the femoral condyles on the tibia [1,7,8] and by increasing the moment arm of the extensor mechanism, thereby reducing the forces [22,25]. Reduction of the forces in the extensor mechanism leads to lower femorotibial contact forces and less resistance to movement and flexion [22,25].…”
Section: Discussionsupporting
confidence: 84%
“…Posterior motion of the lateral condyle has been shown to increase flexion by preventing impingement of the femoral condyles on the tibia [1,7,8] and by increasing the moment arm of the extensor mechanism, thereby reducing the forces [22,25]. Reduction of the forces in the extensor mechanism leads to lower femorotibial contact forces and less resistance to movement and flexion [22,25].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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“…The posterior motion of the lateral condyle and the minimal anterior movement of the medial condyle are similar in pattern as observed in normal knees [7,16] and are consistent with data reported for TKAs with posterior stabilized-type prostheses during deep knee bending [5,8]. Posterior motion of the lateral condyle has been shown to increase flexion by preventing impingement of the femoral condyles on the tibia [1,7,8] and by increasing the moment arm of the extensor mechanism, thereby reducing the forces [22,25]. Reduction of the forces in the extensor mechanism leads to lower femorotibial contact forces and less resistance to movement and flexion [22,25].…”
Section: Discussionsupporting
confidence: 84%
“…Posterior motion of the lateral condyle has been shown to increase flexion by preventing impingement of the femoral condyles on the tibia [1,7,8] and by increasing the moment arm of the extensor mechanism, thereby reducing the forces [22,25]. Reduction of the forces in the extensor mechanism leads to lower femorotibial contact forces and less resistance to movement and flexion [22,25].…”
Section: Discussionmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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“…We proved expediency of using polyethylene terephthalate for fixation of soft tissues, as only this material use allows preserving anatomical structures as much as possible. In addition, in case of extensor apparatus fixation of the knee joint, only in polyethylene terephthalate use, tendon-like tissue is formed in the area of knee ligament attachment [3,11,13,[17][18][19][20].…”
Section: Discussionmentioning
confidence: 99%
“…These include infections, structural disorders, aseptic instability, local recurrence, and a number of soft tissue lesions [3,8,11,[17][18][19][20][21][22][23][24][25][26]. To further standardize complications, E. R. Henderson et al [8] proposed a classification that was adopted in 2014 by the International Society of Limb Salvage (ISOLS).…”
mentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
show abstract
“…This natural rotation reverses during extension to provide a "screw home" mechanism to help lock the knee for standing. 29 Kinematic guided motion was introduced in rotating hinge knee implants in order to help re-create this natural range of motion by providing medial pivot, lateral roll back, and screw home mechanisms. 28 Designs with center of rotation posteriorly can cause nonanatomic opening of the joint, which may result in increased stress on cement surfaces and accelerated polyethylene wear.…”
Section: Discussionmentioning
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
show abstract
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