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Permobil Blog / May 14, 2021

Attributes of Great Seating: Positioning

Attributes of Great Seating: Positioning

Looking for more information on seating and positioning? Check out our digital page all about what to look for in seating and positioning products here. This is part 2 of our series on seating and positioning. See part 1 here.

This week in our series on the attributes of great seating we will discuss positioning. We define positioning as “the ability to decide where and how to place the pelvis and thighs.” In essence it refers to the cushions ability to be adjusted for individual postures.


Why is positioning or adjustability important in a cushion?

One thing we can be sure of is that each individual is unique and has distinctive shapes and angles. Cushions are typically designed symmetrically but not everyone is symmetrical, sometimes due to disease, injury, or immobility. Some examples of asymmetrical postures are:

  • Pelvic obliquity
  • Pelvic rotation
  • Windswept posture
  • Limitations of hip range of motion on one or both sides


In these cases, it can be a challenge to find the most appropriate cushion solution.


Accommodate or correct?

When you have a client with some kind of asymmetrical or abnormal posture, a physical evaluation should be conducted to determine whether the posture is reducible or non-reducible to decide whether to accommodate or correct for the posture.

Reducible/Flexible: means it can be adjusted to a better position

Non-reducible: means it is stuck in this position and has the potential to get worse.

When a posture is reducible/flexible, a product should be selected that has the ability to correct the posture. For example, if a client has an obliquity or uneven pelvis, raising up the cushion on the low side of the pelvis can result in evening the pelvic position or “correcting” the posture.

When a posture in non-reducible/fixed, a product should be selected that has the ability to accommodate the posture and provide the most even pressure redistribution possible. In the case of a non-reducible pelvic obliquity, raising up the cushion on the high side of the pelvis to provide more contact with the cushion surface will accommodate for the obliquity and provide more even pressure re-distribution.


Custom or off-the-shelf?

Often when we think of these abnormal postures and adapting a cushion to meet the goals of the postures, we think of custom fabricated or custom molded seating. Permobil is unique in offering technologies that allow for off-the-shelf positioning capabilities with foam and air options. If the multiple off-the-shelf positioning capabilities do not meet the individual goals, Permobil also offers custom fabricated options through the Comfort Inception cushion. The comprehensive Permobil cushion portfolio is intended to offer a solution for any seating need.

Permobil foam cushions with positioning capabilities

M2 Cushion ATI Embrace Cushion ATI

Permobil air cushions with positioning capabilities

ROHO Quadtro ROHO Hybrid


Join us next time for a discussion of the third attribute of great seating: stability.

Key attributes of wheelchair seat cushion
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Stacey MullisStacey Mullis, OTR/ATP
Director of Clinical Marketing

Stacey serves as Director of Clinical Marketing for Permobil. A practicing OTR for over 20 years, she has experience in school-based pediatrics, inpatient rehabilitation, long term care, and home health. With her interest in wheelchair seating and positioning, Stacey engaged the challenges of providing appropriate seating in various clinical settings. She now uses this experience to develop programs and resources to educate clinicians on the principles of seating and wheeled mobility. She is passionate about equipping clinicians and through her previous role as Director of Clinical Education with Comfort Company and now with Permobil she has taught nationally and internationally to increase therapist capacity in this specialty area. Mullis graduated from Western University in London, Ontario, Canada with a BA Linguistics and BSc Occupational Therapy. She is a member of the NCOTA, CTF Executive Board, NRRTs, RESNA, and AOTA.


Categories: Complex Rehab, Seating and Positioning, Manual, Home Health

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