Related Experiment Video
Updated: Jul 26, 2026
08:12
Experimental Methods to Study Human Postural Control
Published on: September 11, 2019
Influence of neck proprioception on vibration-induced postural sway
T Ledin1, A Hafström, P A Fransson
1Department of Otorhinolaryngology, Head and Neck Surgery, Linköping University Hospital, Linköping, Sweden. torbjorn.ledin@inr.liu.se
Acta Oto-Laryngologica
|July 24, 2003
Summary
Head position significantly impacts postural responses to calf muscle vibration, particularly affecting forward-backward sway. This suggests a complex interplay between proprioceptive and vestibular systems in maintaining balance.
Area of Science:
- Neuroscience
- Biomechanics
- Human Physiology
Background:
- Postural responses to vestibular stimulation are influenced by neck and torso positions.
- Understanding sensory integration in postural control is crucial.
Purpose of the Study:
- To investigate if head position modulates postural responses to calf muscle proprioceptive stimulation.
- To explore the role of neck proprioception and vestibular input in these responses.
Main Methods:
- Ten healthy subjects received vibratory proprioceptive stimulation to calf muscles.
- Head was positioned neutrally, turned laterally, or tilted forward/backward.
- Anteroposterior and lateral torques were measured to assess body sway.
Main Results:
- Anteroposterior body sway was significantly affected by head tilt (forward/backward).
- Lateral sway was primarily influenced by visual input, not head position.
- Head rotation did not significantly alter anteroposterior postural responses.
Conclusions:
- Calf muscle vibration elicits postural responses influenced by both proprioceptive and vestibular information.
- Head position, particularly tilt, modulates these responses, indicating sensory integration.
- Potential neck muscle fatigue may also influence responses over time.
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