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Advisor(s)
Abstract(s)
Objective: To determine whether high-level athletes with patellar
tendinopathy have diminished knee proprioceptive acuity.
Design: Cross-sectional study.
Setting: University research laboratory (institutional).
Participants: Twenty-one basketball and volleyball players with
patellar tendinopathy (13 men and 8 women; mean age 24.5 6 3.6;
body mass index = 22.5 6 2.0 kg/m2) and an equal number of
athletes without symptoms of patellar tendinopathy injury were
included in this study.
Assessments: Participants underwent knee proprioception assessments
on a single day. Furthermore, age, sex, height, weight, VISAP
(Victorian Institute of Sport Assessment) questionnaire sports
participation, medical history, knee injuries, previous treatment, and
medication were obtained.
Main Outcome Measures: Knee proprioception was evaluated
by assessing sense of resistance, using a weight discrimination
protocol, and joint position sense (JPS).
Results: No significant differences were observed in JPS at 30 and 60
degrees of knee flexion between groups (P = 0.165 and 0.481, respectively).
In regard to the ability to discriminate weight, significant differences
between the 2 groups were found with the tendinopathy group
showing a higher percentage of error (P = 0.009), namely when the set
of incremental weights varied by 10% from the standard weight.
Conclusions: Athletes with patellar tendinopathy have a diminished
perception of force signals required for weight discrimination,
whereas JPS remains unaffected in these athletes.
Description
Keywords
Proprioceptive acuity Weight perception Photogrammetry Anterior knee pain Tendinosis
Citation
Publisher
Wolters Kluwer Health