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319 Knee and ankle overuse injuries in youth basketball players
  1. Carlyn Stilling1,
  2. Oluwatoyosi BA Owoeyea1,2,
  3. Lauren C Benson1,
  4. Kati Pasanen1,3,4,5,
  5. Carolyn Emery1,2,3,4,6,7
  1. 1Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, 2500 University Dr.,T2N 1N4, Calgary, Canada
  2. 2Department of Physical Therapy and Athletic Training, Doisy College of Health Sciences, Saint Louis University, Saint Louis, USA
  3. 3Alberta Children’s Hospital Research Institute, University of Calgary, Room 293, Heritage Medical Research Building, 3330 Hospital Dr. NW, T2N 4N1, Calgary, Canada
  4. 4McCaig Bone and Joint Institute, Cumming School of Medicine, University of Calgary, HRIC 3A08, 3280 Hospital Drive NW, T2N 4Z6, Calgary, Canada
  5. 5Tampere Research Center of Sports Medicine, UKK Institute, Kaupinpuistonkatu 1, 33500, Tampere, Finland
  6. 6Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3D10, 3280 Hospital Drive NW, T2N 4Z6, Calgary, Canada
  7. 7Department of Pediatrics, Cumming School of Medicine, University of Calgary, 28 Oki Drive NW, T3B 6A8, Calgary, Canada


Background Current scientific evidence reveals that overuse injuries may be more prevalent in youth basketball players than previously reported. Many basketball injuries result from gradual onset overuse mechanisms associated with pain, but not resulting in absence from basketball participation.

Objective To determine the season prevalence and burden of all complaint overuse knee injuries (OKIs) and ankle injuries (OAIs) in youth basketball players.

Design Cohort study.

Setting Youth basketball, Calgary, Canada.

Patients (or Participants) A convenience sample of 83 (47F, 36M; Ages 16–18; N=7) senior team high school basketball players.

Interventions (or Assessment of Risk Factors) The Oslo Sports Trauma Research Centre Overuse Injury Questionnaire was used weekly to register OKIs and OAIs over 16 weeks.

Main Outcome Measurements Self-reported OKIs (e.g., patellar tendinopathy, patellofemoral syndrome) and OAIs (e.g., Achilles tendinopathy) and symptom duration.

Results Female teams participated in 52 basketball sessions (range 42–61, SD 8.6, 42% games) and males in 53 sessions (range 51–54, SD 1.2, 42% games). In the season, 30.4% of females and 27.8% of males reported an OKI and 19.1% of females and 8.3% of males an OAI. The median symptom duration (burden) of OKIs was 7 weeks for females and 4 weeks for males. Median time to onset for new OKI cases was 4 weeks for female players and 7 weeks for male players. The median symptom duration of OAIs was 9 weeks for females and 2 weeks for males. Median time to onset for new OAI cases was 3 weeks for females and 7 weeks for males.

Conclusions The seasonal prevalence and symptom duration of OKIs and OAIs is higher in female youth basketball players compared to males. OKIs represent a greater proportion of lower extremity overuse injury in males compared to OAIs. Females reported new OKIs and OAIs earlier in the season compared to males.

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