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Mining Publication: Pressure Distribution on the Anatomic Landmarks of the Knee and the Effect of Kneepads
Keywords: Coal mining Knee pads Kneeling Knees
Original creation date: December 2010
Authors: WL Porter, AG Mayton, SM Moore
Peer Reviewed Journal Article - December 2010
Download PDF Document (0.59 MB)
NIOSHTIC2 Number: 20037032
Appl Ergon 2010 Dec; 42(1):106-113.
This study examines stress transmitted to anatomic landmarks of the knee (patella, combined patella tendon and tibial tubercle) while in static kneeling postures without kneepads and while wearing two kneepads commonly worn in the mining industry. Ten subjects (7 male, 3 female) simulated postures utilized in low-seam mines: kneeling in full flexion; kneeling at 90° of knee flexion; and kneeling on one knee while in one of three kneepad states (no kneepads, non-articulated kneepads, and articulated kneepads). For each posture, peak and mean pressure on the anatomic landmarks of the knee were obtained. The majority of the pressure was found to be transmitted to the knee via the combined patellar tendon and tibial tubercle rather than through the patella. While the kneepads tested decreased the maximum pressure experienced at the combined patellar tendon and tibial tubercle, peak pressures of greater than 25 psi were still experienced over structures commonly injured in mining (e.g. bursa sac - bursitis/Miner’s Knee). The major conclusion of this study is that novel kneepad designs that redistribute the stresses at the knee across a greater surface area and to other regions of the leg away from key structures of the knee are needed.
Image of publication Pressure Distribution on the Anatomic Landmarks of the Knee and the Effect of KneepadsPeer Reviewed Journal Article - December 2010
Download PDF Document (0.59 MB)
NIOSHTIC2 Number: 20037032
Appl Ergon 2010 Dec; 42(1):106-113.
See Also
Characteristics of Gait in Restricted Vertical Space Versus Unrestricted Walking
Development and Evaluation of Prototype Kneepads for the Low-Seam Mining Industry
The Effects of Restricted Workspace on Lumbar Spine Loading
Evaluation of Muscle Activity, Forces, Stresses, and Moments at the Knee During Kneeling and Squatting Tasks
Forces and Moments on the Knee During Kneeling and Squatting
Keeping Knees Healthy in Restricted Work Spaces: Applications in Low-Seam Mining
Pressures Applied to Anatomical Landmarks of the Knee While in Kneeling Postures
Refuge Alternatives in Underground Coal Mines
Thigh-Calf and Heel-Gluteus Contact Forces in High Flexion: Experimental Results
Wireless Mesh Mine Communication System
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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