Accession Number:

ADA456641

Title:

Neck Muscle Fatigue with Helmet-Mounted Systems

Descriptive Note:

Interim rept. May 2004-Oct 2005

Corporate Author:

HUMAN EFFECTIVENESS DIRECTORATE WRIGHT-PATTERSON AFB OH AIRCREW PROTECTION BRANCH

Report Date:

2006-09-01

Pagination or Media Count:

8.0

Abstract:

Helmet-mounted systems HMS allow aircrew to perform more efficiently in poor conditions. Optics allow improved visibility, night vision, helmet-mounted displays, and targeting capability. The cost to use them in high performance aircraft is unknown. Test flights were made with pilots wearing HMS and neck muscles were evaluated. Objectives were to test the functionality of the helmet-mounted devices and to determine the impact on pilots using them during high G acceleration. Changes in neck muscle strength were identified along with EMG evidence of fatigue. When flights occurred on an almost daily basis over 4 days, the force imparted to the neck was reduced each day. After recovering for five days, the neck muscle force returned to approximately original values.

Subject Categories:

  • Stress Physiology
  • Human Factors Engineering and Man Machine Systems
  • Protective Equipment
  • Non-Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE