title: Foot posture and patellar tendon pain among adult volleyball players.
abstract: OBJECTIVE
  We hypothesized that individuals with a normal foot posture would be less likely to experience patellar tendon pain and pathology than those with a pronated or supinated foot.
  
  
  METHODS
  Observational study.
  
  
  METHODS
  Field-based study among competing athletes.
  
  
  METHODS
  Volleyball players competing in the Victorian State League, Australia.
  
  
  METHODS
  Patellar tendinopathy (PT) is common in sports involving running and jumping and can severely limit athletes' ability to compete. Several studies have investigated potential etiological factors for the development of PT, but little is known about the association between PT and foot posture.
  
  
  METHODS
  Static foot posture index (FPI), patellar tendon pain during single-leg decline squatting, and gray scale ultrasound imaging were measured in 78 recreational to elite volleyball players (48 men and 30 women).
  
  
  RESULTS
  Men with patellar tendon pain were more likely to have a normal foot posture and men without pain were more likely to be pronated according to the FPI (P < 0.05). Women showed no association between FPI and pain or imaging (P > 0.05).
  
  
  CONCLUSIONS
  Men with a normal foot posture were more likely to have PT compared to men with a pronated foot type.
authors.affiliation: University of Groningen, Groningen, the Netherlands.
authors.forename: Reinier
authors.initials: R
authors.lastname: de Groot
authors.forename: Peter
authors.initials: P
authors.lastname: Malliaras
authors.forename: Shannon
authors.initials: S
authors.lastname: Munteanu
authors.forename: Craig
authors.initials: C
authors.lastname: Payne
authors.forename: Dylan
authors.initials: D
authors.lastname: Morrissey
authors.forename: Nicola
authors.initials: N
authors.lastname: Maffulli
mesh_terms: D000328:Adult; D005260:Female; D005528:Foot / Q000502:physiology*; D006801:Humans; D008297:Male; D010146:Pain / Q000503:physiopathology*; D017847:Patellar Ligament / Q000000981:diagnostic imaging / Q000503:physiopathology*; D011403:Pronation / Q000502:physiology; D052256:Tendinopathy / Q000503:physiopathology*; D014463:Ultrasonography; D054798:Volleyball / Q000502:physiology*