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065 6840757

Mon - Fri    9.30am - 8.30pm

3A Barrack Close, Barrack St., Ennis, Co. Clare  V95 X437

Posture at Workstations

Work posture may be either static or dynamic.  It is worth remembering that there is often a mixture of both of these occurring simultaneously as one part of the body does the work while other areas hold the rest of the body in the correct position.  

Office Workstations

In the best circumstances both the desk and the chair used are adjustable in height.  Where this is the case the chair adjustments are made first and then the desk adjusted to the appropriate height for the seated worker.  The more common situation is where the desk height is fixed and ergonomic principles are applied to the workstation in order to make it as safe and effective as possible.

The minimum requirements to maintain good posture are

Watch out out for the following poor posture

Posture at Standing Workstations

When work is done in a standing posture it is important that the spine is maintained in a straight alignment wherever possible.  Where bending is required it should be kept to a minimum required to complete a task and preferably should not be held for prolonged periods of time.  

Key factors to be considered will include what the hands need to do, where the feet need to be placed,, what surface  is being stood on and how stable it is, the head position and eye level / sight lines.   The task itself will also determine the correct height at which the workstation is set as precision work requires greater support for the upper limbs while  heavy work needs the body weight to be brought to bear during the execution of the task.  The following give some indication of what is needed.


Normal Posture  

Sitting Work Posture    

Standing Work Posture

Standing Posture

Postural strain is a common cause of spinal discomfort for many people.  ‘Normal’ posture is developed during childhood and young children generally have good postural habits.  A number of factors affect posture - the need to keep the eyes level and facing forward and relative muscle balance around the pelvis and shoulder girdle areas.  

When viewed from the side the ideal posture (with the head and the pelvis level with neutral tilted positions) should allow the ears to be directly overhead the shoulder and hip and a straight line drawn between these three points should pass through the knee and reach the ground just in front of the ankles.

When viewed from the back or front the body should be largely symmetrical but not necessarily perfectly so.  The spine viewed from the back is normally straight but will vary slightly over time with activity and dynamic use.  The arms should hang equally and freely on either side


The curves of the spine should not be excessive but may become so with poor habits.  Poor posture  represents a significant risk factor for spinal pain.  A number of types of posture are described which have clearly distinguishing  features.

Sitting Posture

Sitting  posture is determined by the relative position of the pelvis, specifically the degree to which it is tilted back or forwards.  The front edges of the pubic and ilium bones (the ASIS) should be aligned vertically when the pelvis is in neutral tilt, which is considered the best position for for good posture (See below).  

There are a number of factors which determine this position including seat height, seat depth, seat angle muscle tightness and weakness etc.  At the other end of the spine the head position, eye level, and the objects being looked at all impact on the seated posture.  If the pelvis rolls backwards into posterior tilt then the lumber spine must become flexed.  This is a stressful position for the tissues, especially the discs and should be avoided for very prolonged periods.       

Normal Posture back view Standing Posture variations Sitting Posture good and bad