The importance of body angles for function impacts everyone!

Whether you are an adult or child, physically disabled or not, taking note of your seated position and body angles with a view to determining the best position/s for you can have a significant effect on your quality of work, your productivity, performance and levels of fatigue or strain.

 

Old 90-90-90 position Conventional closed angle hip position for strong hip extension Work position option for individual with good / moderate head control Open hip angle and mild recline for individual with poor head control.

Conventional / old recommen dations - 90-90-90 hips- knees- ankle - not always best position for function. May be adequate for some students with minimal positioning needs.

For many years this has been the position of choice for individuals with strong hip extension in an effort to reduce the effects of hip extension. It has been called the 'antithrust seat'.  This may work for some, although many individuals are able to still extend hips against the closed hip angle position and push against strapping to push away from the seat.

One of the best functional positions for work. Trunk and body leaning forward for active task involvement. Hips and upper legs angled forwards resulting in center of gravity and weight distribution over pelvis and upper legs. Good for individuals with good head control for holding head stable while looking downward. Many individuals with poor head control have significant difficulty holding their head up against gravity to maintain eye contact or interaction with the environment. Often, opening up the seat to back angle, and angling the trunk backwards in a slight recline assists significantly with head upright position. Raised work surface and upright angle of work also help with visual contact.
   

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