Relationship between landing strategy and patellar tendinopathy in volleyball

Objective: The aetiology of patellar tendinopathy (jumper’s knee) remains unclear. To see whether landing strategy might be a risk factor for the development of this injury, this study examined whether landing dynamics from drop jumps differed among healthy volleyball players (CON) and volleyball pl...

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Bibliographic Details
Published in:British journal of sports medicine 2007-07, Vol.41 (7), p.e8-e8
Main Authors: Bisseling, Rob W, Hof, At L, Bredeweg, Steef W, Zwerver, Johannes, Mulder, Theo
Format: Article
Language:English
Subjects:
Adult
Athletes
Athletic Injuries - prevention & control
Case-Control Studies
CON
control group
Humans
Injury Severity Score
Kinetics
Knee
loading rate
Male
Original
Pain
Patellar Ligament - injuries
Physical Education and Training - methods
PJK
previous jumper’s knee
Range of Motion, Articular
recent jumper’s knee
Risk Factors
RJK
Sports
Sports injuries
Sports medicine
Tendinopathy - etiology
Tendinopathy - prevention & control
Tendons
vertical ground reaction force
VGRF
Victorian Institute of Sport Assessment
VISA
Volleyball
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Summary:Objective: The aetiology of patellar tendinopathy (jumper’s knee) remains unclear. To see whether landing strategy might be a risk factor for the development of this injury, this study examined whether landing dynamics from drop jumps differed among healthy volleyball players (CON) and volleyball players with a jumper’s knee. The patients with jumper’s knee were divided into an asymptomatic group with a previous jumper’s knee (PJK) and a symptomatic group with a recent jumper’s knee (RJK). Methods: Inverse dynamics analyses were used to estimate lower extremity joint dynamics from 30, 50 and 70 cm drop jumps in the three groups (CON, n = 8; PJK, n = 7; RJK, n = 9). A univariate repeated measures analysis of variance was used to compare the different landing techniques. Results: Data analysis of the landing dynamics revealed that PJK showed higher knee angular velocities (p
ISSN:0306-3674
1473-0480
DOI:10.1136/bjsm.2006.032565