The height of the chair is low enough for the heels of the feet to rest on the floor.
Dental chair thigh parallel to the floor.
Many seat pans on traditional stools have a very defined hard edge where the seat pan top meets the edge of the seat which cuts off the circulation in the back of the leg.
Most seat pans are designed so the user s thighs stay parallel to the floor.
Sitting in a traditional seat with the thighs parallel to the floor flattens the lumbar spine creating undue stress on the entire musculoskeletal system.
Word is getting out that saddle seating is a healthy option for the workplace.
Most dentists and hygienists were taught to sit with their thighs parallel to the floor or their hips at a 90 degree angle fig.
Positioning the dental assistant.
An operator chair that supports the dental hygienist and is properly adjusted helps maintain the desired low back curve.
Typically clinician chairs were and still are a part of the package anytime an office orders new patient chairs.
This paradigm for seated work has been widely accepted for generations and may be due in part to the design of early operator chairs which featured a flat nonadjustable seat design.
The focus however is usually on matching fabrics and colors rather than on the safety and comfort of the clinician who sits on the.
This type of chair requires the thighs to be parallel to the floor with the hip angle at 90 degrees.
2 thighs parallel to the floor 3 feet flat on the floor 4 back rest of chair positioned to support lower portion or small of the back 5 height of chair adjusted to keep operators forearms parallel to the floor.
Thighs parallel to floor or knees slightly lower than hips feet kept flat on the floor and not crossed backrest of chair positioned to support lower portion or small of the back height of chair maintained to keep operator s forearms parallel to the floor when bent at the elbow.
Thighs parallel to the floor or knees slightly lower than the hips feet flat on the floor backrest of the chair positioned to support the lower portion or small of the back operator s forearms bent at the elbow and parallel to the floor.
Most dental offices have chairs with flat seat pans.
This forward position causes.
Most of us were taught to sit with our thighs parallel to the floor a dangerous posture that flattens out the natural curve of the lower back.
Thighs parallel to the floor feet flat on the floor with the chair positioned to support the lower back.
This postition is different for every operator.
For years clinicians sat on whatever kind of chair or stool the dental practice supplied.