Posterior pelvic tilt

- Shape up in Prio 3A

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A posterior pelvic tilt is often combined with tight Hamstrings which further complicates achieving a stable and supported position.

Adjust the 3A back support by fine tuning the angles at the lumbar and hip, this will help to support the individual in a more upright posture by allowing a little more space at the hip angle and working with the straps. Then adjust the lumbar angle to bring the individual into a more upright posture in their thoracic trunk for improved head positioning and greater eye contact.

 

The 3D back cushion (1) adapts perfectly and allow space for a curved back. Adjust the Dynamic Pelvic Support (2) and the tension adjustable back straps (3) to a comfortable and supportive position. Do this adjustment in the active position, so the dynamic pelvic support tension will deactivate in the resting position. Cell Foam Wedges (4) and/or Plush Wedges provide lateral stability.

If the pelvis has a fixed posterior tilt, the active seat to back angle has to be secured. Ensure that the user has back support contact from the PSIS. Use the Back Angle Control (5) to secure this position.

A contoured seat cushion (6) and a Positioning Belt (7) can provide further proximal stability and prevent forward sliding.

Use an adjustable head support (8) since a curved back may bring the head further forward.

Leg support: To avoid that tight Hamstrings pull the pelvis posteriorly, aim for 90º knee flexion. The Add-On foot support extensions (9) create the feeling of a one piece foot support and enable the user to make small movements with their feet on the flat surface. If Elevating Leg Supports (11) are chosen, always tilt and recline the chair before elevating the leg supports. This will reduce the risk for sliding forward due to tight Hamstrings.

Tilt and Recline Positions: Always make sure to assess both the active and resting positions. Secure the positions with Gas Piston Clips (12), Comfort Tilt Lock (13) and Back Angle Control (5).

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1. 3D back cushion

Unique 3-part back cushion (3 panels) that provides support and creates shape as it follows the user´s back. Can be combined with side cushions and wedges.
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2. Dynamic Posterior Pelvic Support

Automatically relieves the tension in the reclined position and re-tightens in the active position. Adjust the height to the level of PSIS.
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3. Tension Adjustable Back Straps

Make sure the user has good contact with the back support. Adjust the contour with the tension adjustable back straps.
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4. Wedges

The back support can be further contoured with Cell Foam or Plush Wedges. They attach under the back cover with Velcro, included with the wedges.
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5. Back Angle Control

Limits the back angle forward on the Prio for an active seat position. By adjusting the length of the strap, the active back support setting can be controlled. The back will always stop at the preset angle.
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6. Contoured Seat Cushion

An anatomically contoured seat cushion stabilises the position and helps to prevent forward sliding.
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7. Positioning Belt

To provide a positioning support, the belt should be attach with not less than 70° angle to the seat frame.
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8. Multi-Adjustable Head Support

With adjustability in height angle and depth to meet the user´s head position. The head support can also be adjusted sideways.
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9. Add-On Extended foot supports

The Add-On foot supports creates a bigger surface and promotes movement in the feet. Can be used separate or in pairs to create a plattform.
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10. Leg Support

A swing away model with flip up foot supports facilitate standing transfer. Available with 70° or 90° knee angle.
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11. Leg Support, elevating

The calf supports can be set in three different depth positions. Choosing the rearmost position and a generous heel strap adjustment, enable more knee flexion.
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12. Gas Piston Clips

Reduce the angle options. The more clips added, the less the chair can tilt and/or recline. Reduces the control range of the seat angle by 2° per clip and the back angle by 2.5° per clip.
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13. Comfort Tilt Lock

This function ensures the same preset tilt position. There are four alternative settings (0°, 4°, 8° or 12°). Choose one position that is frequently used, for activity or rest. Not in combination with Etac Prio electrical tilt.
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