Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Age differences in postural sway during volitional head movement.

D M Koceja1, D Allway, D R Earles

  • 1Department of Kinesiology and Program in Neural Science, Indiana University, Bloomington 47405, USA.

Archives of Physical Medicine and Rehabilitation
|December 22, 1999
PubMed
Summary

Elderly individuals exhibit greater postural sway than young adults, especially during head movements. This study reveals distinct postural control strategies between age groups when performing volitional head turns.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Comparative effects of caffeine and albuterol on the bronchoconstrictor response to exercise in asthmatic athletes.

International journal of sports medicine·2010
Same author

Modulation of soleus H-reflex by presynaptic spinal mechanisms during varying surface and ankle brace conditions.

Neurophysiologie clinique = Clinical neurophysiology·2007
Same author

Comparison of electrically and mechanically induced soleus H-reflex depression.

Electromyography and clinical neurophysiology·2006
Same author

Effect of inversion and ankle bracing on peroneus longus Hoffmann reflex.

Scandinavian journal of medicine & science in sports·2006
Same author

Implications for using H-max/M-max ratio in H-reflex parameters for elderly subjects compared with young subjects.

Electromyography and clinical neurophysiology·2006
Same author

The effect of the ankle joint angle in the level of soleus Ia afferent presynaptic inhibition.

Electromyography and clinical neurophysiology·2005

Area of Science:

  • Biomechanics
  • Motor Control
  • Gerontology

Background:

  • Postural sway, a measure of body stability, is influenced by age and visual input.
  • Volitional movements, such as head turns, can challenge postural control systems.

Purpose of the Study:

  • To investigate how self-paced head-turn movements affect postural sway in young and elderly adults.
  • To compare postural control strategies between age groups during static and dynamic conditions.

Main Methods:

  • Cross-sectional study involving 10 young and 10 elderly adults.
  • Postural sway measured using a force platform under four conditions: static with/without vision, and with self-paced head turns with/without vision.
  • Analyzed sway amplitude, sagittal/lateral sway standard deviation, and sway frequency.

Related Experiment Videos

Main Results:

  • Elderly subjects showed significantly greater static postural sway than young subjects, particularly in lateral sway (with vision) and sagittal sway (without vision).
  • During self-paced head turns, elderly subjects significantly increased sway amplitude and decreased sway frequency.
  • Young subjects did not show significant changes in postural sway profiles during head turns.

Conclusions:

  • Young and elderly individuals employ different postural control strategies during volitional movements.
  • Head-turn tasks reveal age-related differences in the ability to maintain stability and coordinate movements.