title: Sit to stand transfer: performance in rising power, transfer time and sway by age and sex in senior athletes.
abstract: OBJECTIVE
  To observe the differences in performance variables of the sit to stand transfer (as measured on the NeuroCom Balance Master) in a population of senior athletes.
  
  
  METHODS
  A convenience sample of 173 subjects aged 50 years and older. Data were obtained from voluntary participation in a health fair offered at the annual Huntsman World Senior Games in St George, Utah, USA. All sit to stand tests were performed on the NeuroCom Balance Master. The measured parameters were weight transfer time (WTT), rising power (force exerted to rise), and centre of gravity sway (COG sway) during the rising phase.
  
  
  RESULTS
  A significant difference was found between stratified age groups (50-64 and 65+ years) on rising power. There was also a sex difference in rising power. No significant differences were found in weight transfer time or COG sway.
  
  
  CONCLUSIONS
  While rising power decreases with increasing age in senior athletes, WTT and COG sway remain similar regardless of age or sex. The maintenance of these other two variables (WTT and COG sway) may be attributable to physical activity and/or participation in sport.
authors.affiliation: Brigham Young University, Provo, UT 84602, USA. brent_feland@byu.edu
authors.forename: J B
authors.initials: JB
authors.lastname: Feland
authors.forename: R
authors.initials: R
authors.lastname: Hager
authors.forename: R M
authors.initials: RM
authors.lastname: Merrill
mesh_terms: D000367:Age Factors; D000368:Aged; D004735:Energy Transfer / Q000502:physiology*; D005260:Female; D005684:Gait / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009068:Movement / Q000502:physiology*; D005082:Physical Exertion / Q000502:physiology; D010865:Pilot Projects; D011187:Posture / Q000502:physiology*; D012737:Sex Factors; D013177:Sports / Q000502:physiology*; D013997:Time Factors