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    Research to Improve Spine Health among Aircrew

    Research to Improve Spine Health among Aircrew

    Photo By Megan Mudersbach | Dr. Peter Le, biomechanical engineer, leads research efforts to improve spine health...... read more read more

    WRIGHT-PATTERSON AIR FORCE BASE, OH, UNITED STATES

    09.11.2019

    Story by Megan Mudersbach 

    Naval Medical Research Unit Dayton

    By: Dr. Peter Le, Biomechanical Engineer

    The strenuous occupational demands endured by our military aircrew have resulted in a host of musculoskeletal disorders, with the highest reports related to low back pain (LBP) and neck pain (NP). These reports are associated with high medical costs, inability to fly, as well as reduced productivity and performance, thereby affecting operational readiness and effectiveness. Although a significant amount of research has attempted to reduce the risk of LBP/NP, the problem persists as causal pathways remain unclear. Survey data have provided knowledge on areas of concern (i.e., poor cockpit ergonomics, awkward postures, whole-body vibration, head-supported masses, etc.) and corrective interventions have been deployed as an immediate response, but many have failed because they have not targeted the underlying problem.

    The Spine Health Improvement Program (SHIP) has several initiatives to understand and develop strategies to reduce LBP and NP among aircrew. These initiatives target causal mechanisms of injury, employ a ‘systems-perspective’ philosophy (interaction between physical loads, psychosocial/organizational factors, and individual differences), while developing approaches to streamline measurements in the field and track return-to-duty status. Dr. Peter Le, biomedical engineer and program lead for SHIP, is leading the effort in response to the National Defense Authorization Act (NDAA FY17), Sec. 750, a request to study the health of rotary-wing and tilt-rotor pilots and Joint Concept for Health Services (2015), required capability #5: medical mitigation of the environment. SHIP targets both prevention and return-to-duty, through quantifiable, biomechanical/physiological measures. These include measures of movement, muscle activity, force production, fluctuations in heart rate, and changes in muscle oxygenation, while integrating task performance as a factor to understand the mind-body interaction. These data allow us to explore possible links between biomechanical changes and human performance. While these measures may provide insight between testing conditions, the key lies within the interpretation of the measures to explore the causal pathways of injury.

    Current funded efforts target three areas: 1) causal pathways of LBP and NP during prolonged seating (i.e., visual stressors, individual differences/cognitive workload and biomechanical effects), 2) development of analytical methods to quantitatively measure biomechanical functional status in the field, and 3) evaluation/validation of fielded motion tracking analytics systems. In addition to the target areas, the laboratory capabilities are designed with the intent to enhance collaborations and support multiple research groups needing quantitative biomechanics/ ergonomics assessments. These currently include 1) assessments of industrial exoskeletons (USAF 711th HPW) and 2) movement differences from body-mounted sensors and equipment (Gallo and Warner).

    Overall, the SHIP lab is developing capabilities to assess causal pathways for LBP/NP, design methods to assess those pathways, and evaluate currently fielded systems/interventions. In essence, the SHIP philosophy to reduce LBP and NP among our aircrew is to be Intervention-Oriented, Mechanism-Driven.

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    NEWS INFO

    Date Taken: 09.11.2019
    Date Posted: 09.11.2019 16:24
    Story ID: 339785
    Location: WRIGHT-PATTERSON AIR FORCE BASE, OH, US 

    Web Views: 174
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