In-Vivo Patellar Motion Under a Dynamic Weight-Bearing Condition in Individuals With Patellofemoral Pain Syndrome

2017 ◽  
Vol 27 (4) ◽  
pp. 422
Keyword(s):  
Weight Bearing ◽  
Pain Syndrome ◽  
Patellofemoral Pain Syndrome ◽  
Patellofemoral Pain ◽  
Dynamic Weight

scholarly journals In vivo Evaluation of Patellar Tendon Stiffness in Individuals with Patellofemoral Pain Syndrome

2008 ◽  
Vol 5 (2) ◽  
pp. 59-63
Author(s):  
Hsin-Yi Liu ◽  
Michelle Boling ◽  
Darin Padua ◽  
R. Alexander Creighton ◽  
Paul Weinhold
Keyword(s):  
Patellar Tendon ◽  
Pain Syndrome ◽  
Patellofemoral Pain Syndrome ◽  
Knee Extension ◽  
Patellofemoral Pain ◽  
Knee Extensors ◽  
Ultrasonic Technique ◽  
In Vivo Evaluation ◽  
Tendon Stiffness

The objective of this study was to utilise an ultrasonic technique to assess the effect of patellofemoral pain syndrome (PFPS) on the mechanical properties of the patellar tendon. Seven subjects with PFPS and seven matched control subjects volunteered to participate in this study. Subjects were asked to perform isometric maximal voluntary contractions of the knee extensors while their knee extension torque was monitored and the displacement of the patellar tendon was recorded with an ultrasonic system. Our results showed significantly lower tendon stiffness (by ∼30%) in the PFPS subjects. Although tendon secant modulus was lower by 34% in the PFPS subjects, the difference was not statistically significant. Therefore, we conclude that the ultrasonic technique was able to detect a decrease in the structural stiffness of the patellar tendon associated with PFPS. The decrease in tendon stiffness was moderately correlated with the length of symptoms in these individuals.

scholarly journals In vivo evaluation of patellar tendon stiffness in individuals with patellofemoral pain syndrome

2008 ◽  
Vol 5 (2) ◽  
pp. 59-63
Author(s):  
Hsin-Yi Liu ◽  
Michelle Boling ◽  
Darin Padua ◽  
R. Alexander Creighton ◽  
Paul Weinhold
Keyword(s):  
Patellar Tendon ◽  
Pain Syndrome ◽  
Patellofemoral Pain Syndrome ◽  
Patellofemoral Pain ◽  
In Vivo Evaluation ◽  
Tendon Stiffness

Outcomes of a Weight-Bearing Rehabilitation Program for Patients Diagnosed With Patellofemoral Pain Syndrome

2006 ◽  
Vol 87 (11) ◽  
pp. 1428-1435 ◽  
Author(s):  
Michelle C. Boling ◽  
Lori A. Bolgla ◽  
Carl G. Mattacola ◽  
Tim L. Uhl ◽  
Robert G. Hosey
Keyword(s):  
Weight Bearing ◽  
Pain Syndrome ◽  
Patellofemoral Pain Syndrome ◽  
Patellofemoral Pain ◽  
Rehabilitation Program

The Effectiveness of Exercise in Treating Patellofemoral-Pain Syndrome

2004 ◽  
Vol 13 (4) ◽  
pp. 323-342 ◽  
Author(s):  
Janice Kaye Loudon ◽  
Byron Gajewski ◽  
Heather L. Goist-Foley ◽  
Karen Lee Loudon
Keyword(s):  
Physical Therapy ◽  
Outcome Measures ◽  
Statistical Difference ◽  
Weight Bearing ◽  
Exercise Program ◽  
Pain Syndrome ◽  
Patellofemoral Pain Syndrome ◽  
Patellofemoral Pain ◽  
Home Exercise ◽  
Analog Scale

Objective:To determine the effect of exercise on patients with patellofemoral-pain syndrome (PFPS).Patients:29 subjects with unilateral PFPS, assigned to control, home-exercise (HE), or physical therapy (PT) group.Intervention:8-wk exercise program.Main Outcome Measures:A knee survey, visual analog scale (VAS), and 5 weight-bearing tests.Results:MANOVA indicated an overall statistical difference between groups (P< .05). The HE and PT groups experienced less pain than control, and PT experienced less pain than HE (P< .05). In overall knee function and most weight-bearing tests, HE and PT were stronger and more functional than control (P< .05). For anteromedial lunge only PT was stronger and more functional than control (P< .05).Conclusions:Intervention helps PFPS, but there appear to be no differences between home and in-clinic interventions.

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