Anatomical basis of the role of vastus medialis muscle in femoro-patellar degenerative arthropathy

1995 ◽  
Vol 17 (1) ◽  
pp. 7-11 ◽  
Author(s):  
B. Galtier ◽  
M Buillot ◽  
G Vanneuville
1983 ◽  
Vol 39 (1) ◽  
pp. 13-14 ◽  
Author(s):  
Ellis S. Janks

In 1949, Smillie proposed that the vastus medialis muscle alone is responsible for the final 10° to 15° of knee extension. A number of more recent studies have proved that the whole quadriceps muscle is responsible for all degrees of knee extension. This evidence is reviewed and the function of the two subdivisions of the vastus medialis is discussed.


2009 ◽  
Vol 107 (1) ◽  
pp. 98-104 ◽  
Author(s):  
Jérôme Laurin ◽  
Erick Dousset ◽  
Serge Mesure ◽  
Patrick Decherchi

The medial collateral ligament (MCL) is one of the most injured ligaments during sport activities. The resulting joint damage effects on neuromuscular system remain unclear. Thus this study was designed to assess the changes in neuromuscular properties of vastus medialis muscle after MCL transection. Complete rupture of MCL was performed on rats, and dynamic functional assessment during locomotion was achieved before and once a week from 1–5 wk postlesion. Twitch properties and metabo- and mechanosensitive afferent fiber responses to specific stimuli were measured 1, 3, and 5 wk after MCL transection. Results indicated that maximum knee angle measured during the stance phase of the gait cycle was decreased during 3 wk after MCL injury and then recovered. Minimum knee angle measured during the stance phase was decreased during 2 wk and showed compensatory effects at week 5. A stepwise decrease in maximum relaxation rate-to-amplitude ratio concomitant with a stepwise increase in half-relaxation time were observed following MCL injury. Variations in metabosensitive afferent response to chemical (KCl and lactic acid) injections were decreased at week 1 and recovered progressively from week 3 to week 5 postlesion. Recovery of the mechanosensitive afferent response to vibrations was not totally complete after 5 wk. Our data indicate that alteration of the sensory pathways from the vastus medialis muscle could be considered as a source of neuromuscular deficits following MCL transection. Our results should be helpful in clinical purpose to improve the knowledge of the influence exerted by ligament rupture on the motor system and permit development of rehabilitation protocols and exercises more appropriate for recovery of functional stability.


2016 ◽  
Vol 23 (3) ◽  
Author(s):  
Andressa Dupont Birck ◽  
Jonnas da Fontoura Zaleski ◽  
Rodrigo de Azevedo Franke ◽  
Cláudia Silveira Lima

2008 ◽  
Vol 194 (3) ◽  
pp. 223-237 ◽  
Author(s):  
C. J. de Ruiter ◽  
J. G. Hoddenbach ◽  
A. Huurnink ◽  
A. de Haan

Rheumatology ◽  
1955 ◽  
Vol 2 (5) ◽  
pp. 164-168 ◽  
Author(s):  
D. A. BREWERTON

2014 ◽  
Vol 15 (2) ◽  
pp. e1
Author(s):  
Pedro Olavo de Paulo Lima ◽  
Paulo Ricardo Pinto Camelo ◽  
Victor Matheus Leite Mascarenhas Ferreira ◽  
Paulo Jorge Santiago do Nascimento ◽  
Ricardo Hugo Gonzalez ◽  
...  

Rheumatology ◽  
2020 ◽  
Author(s):  
Dario Camellino ◽  
Christina Duftner ◽  
Christian Dejaco

Abstract PMR is an inflammatory rheumatic disease of elderly people characterized by pain and stiffness in the neck, shoulder and pelvic girdles. No specific diagnostic confirmatory tests exist and clinical symptoms, as well as increased acute phase reactants, are unspecific. The diagnostic value of imaging including ultrasound, MRI and 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) with/without CT for PMR is increasingly studied. These techniques, particularly FDG-PET/CT, may help to detect underlying GCA in PMR patients with an incomplete response to glucocorticoids and/or recurrent relapses. Recent imaging studies provide novel insights into the anatomical basis of inflammation in PMR, particularly at hip and spine, which may help to distinguish this disease from other mimicking conditions. In this review, we discuss novel insights into the pathoanatomy of PMR, compare the diagnostic values of different imaging techniques and summarize current data on the role of imaging for monitoring and outcome prediction.


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