Results 1 - 7 of 7

• Forces and Moments on the Knee During Kneeling and Squatting
  8/1/2011 - Peer reviewed journal articles
  For 10 subjects in four postures, euler angle decomposition and inverse dynamics were used to determine the knee angles, the net forces, and the moments applied to the tibia during kneeling and squatting with and without kneepads.
• Task-Specific Postures in Low-Seam Underground Coal Mining
  3/1/2012 - Peer reviewed journal articles
  The objective of this study was to determine low-seam mine worker exposure to various postures as they pertain to job classifications and job tasks.
• Demands on the Knee During Kneeling and Squatting Activities Common to Low-seam Mining
  6/1/2011 - Reports of Investigations
  Considering the potential impact of three biomechanical parameters - prolonged kneeling, crawling, and twisting on one's knees - several recommendations are made regarding when it may be most appropriate for mine workers to use specific postures.
• Electromyography of the Thigh Muscles during Lifting Tasks in Kneeling and Squatting Postures
  1/1/2011 - Peer reviewed journal articles
  This paper examines the EMG responses of knee extensors/flexors to lifting in kneeling or squatting postures and discusses the impact of posture and kneepads on muscle recruitment and explores the implications for work in such postures.
• Evaluation of Muscle Activity, Forces, Stresses, and Moments at the Knee During Kneeling and Squatting Tasks
  8/1/2010 - Conference papers
  NIOSH investigated muscle activity, forces, stresses, and moments at the knee (with and without kneepads) while subjects assumed various postures, including kneeling in full flexion, kneeling at 90° of flexion, kneeling on one knee, and squatting.
• Thigh-Calf and Heel-Gluteus Contact Forces in High Flexion: Experimental Results
  8/1/2009 - Conference papers
  In this study thigh-calf and heel-gluteus contact forces were quantified to on the externally applied flexion moment in high flexion.
• Working in Unusual or Restricted Postures
  2/1/2006 - Book chapters
  Experience has shown that many ergonomic techniques used to analyze or design standing or sitting work stations often do not adapt well to situations where a restricted posture is adopted. However, recent years have seen an increase in research examinin...