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Preseason performance on cervical, vestibular and divided attention measures in youth ice hockey players
  1. Kathryn J Schneider1,2,3,
  2. Luz Palacios-Derflingher1,4,
  3. Chevonne Codd1,
  4. Qian Shi1,
  5. Willem H Meeuwisse1,3,
  6. Carolyn A Emery1,2,4
  1. 1Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Canada
  2. 2Pediatrics, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada
  3. 3Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada
  4. 4Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Canada.

Abstract

Objective To determine preseason values on cervical, vestibular and divided attention measures in youth ice hockey players aged 10-14 years

Design Cross-Sectional study

Setting Sport Injury Prevention Research Centre, Alberta, Canada

Participants Youth Ice Hockey players (n=934, age 10-14 years).

Outcome measures Numeric pain rating scores for neck pain, headache, dizziness; Cervical flexor endurance test (CFE), cervical flexion rotation test (CFRT), cervical spine strength, head perturbation test, functional gait assessment (FGA), walking while talking test (WWTT), head thrust test and dynamic visual acuity (DVA).

Main results Symptoms of neck pain, headaches and dizziness were reported by 17%, 18% and 10% of participants respectively. The median time of CFE was 27.0 seconds (IQR: 19.9, 40.7). CFRT was positive in 52 (6.2%) participants. Median anterolateral cervical spine strength was 8.0 lbs (IQR: 6.1, 10.3) right and 7.8 lbs (IQR: 6.0, 10.1) left. 13% of participants were unable to maintain a stationary head position when an external force was applied. 48% of participants performed less than perfect on the FGA. Time to complete a complex task while walking increased 40 foot walking time by a median of 6.4 seconds (IQR: 4.0, 10.3). Head thrust test was positive in 33 (3.7%) participants. Clinical DVA score was a median of 0.2 logMar (IQR: 0.1, 0.3).

Conclusions Symptoms are common at baseline and outcomes on many commonly used clinical tests may be different for healthy 10-14 year olds compared to the adult literature. These findings form an important reference point for the interpretation of post-injury testing.

Competing interests None.

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