What's the best ergonomic chair for a sonographer to use to prevent repetitive strain injuries?

The HAG Capisco Ergonomic Sonographer Chair (distributed by Medical Positioning ) is widely considered one of the best purpose-built seating options to help sonographers prevent musculoskeletal and repetitive strain injuries.

Unlike standard office chairs, sonographer-specific chairs are designed to allow close patient access, support active postures, and reduce reach-related strain.

Watch this overview of the HAG Capisco Sonography Chair to see its distinct adjustments and seating orientations in action:

1:17 HAG Capisco Sonography Chair from MedicalPositioning 1.7K views  · 2 years ago YouTube · MedicalPositioning

Key Features of Top Sonographer Chairs

• Saddle-Style Seat Design: Encourages an open hip angle, which promotes a natural spinal alignment and active core engagement rather than slumping.
• Multi-Position Seating: Accommodates traditional forward-facing sitting, side-saddle positioning, and reverse sitting (straddling the chair with the backrest acting as chest or arm support).
• Adjustable Winged Backrest: Provides crucial lumbar support when facing forward and acts as a stable arm/chest rest when sitting in reverse to relieve shoulder and neck tension.
• High Height Range & Mobility: Features extended pneumatic height adjustments to accommodate both seated and high-perch scanning positions, paired with a stable five-star base and specialized casters.

Comparison of Medical Seating Styles

If you'd like, let me know:

• Your primary imaging specialty (e.g., echocardiography, general abdominal, vascular)
• Any current pain points (e.g., lower back, shoulder, wrist)

I can share more targeted ergonomic positioning tips or equipment adjustments.

If you’re choosing specifically for sonography, I’d prioritize a chair that lets you get very close to the patient, adjust high enough for the exam table, and keep your scanning elbow close to your body. That’s more important than generic “office-chair” comfort. OSHA and AIUM guidance emphasize height adjustability, lumbar support, foot support, neutral posture, and minimizing reaching/twisting.

My top pick: HÅG Capisco 8106

For a full-time sonographer, the HÅG Capisco 8106 would be my first chair to try.

Why:

• Very large height range — useful because ultrasound tables are substantially higher than normal desks.
• Saddle-style seat encourages an upright, open-hip posture.
• Lets you sit forward/sideways and reposition easily rather than repeatedly twisting your torso.
• Compact design makes it easier to get close to the patient.
• No bulky armrests interfering with the scanning position.

That last point is important: current sonography guidance specifically recommends slim or no armrests during scanning so you can remain close to the patient.

If you want a conventional office chair: Steelcase Gesture

• Steelcase Gesture Task Chair - $1,539.03 (Wayfair)

The Steelcase Gesture is probably my choice if you spend substantial time charting/reporting in addition to scanning. Its extensive seat, back and arm adjustments make it an excellent general-purpose ergonomic chair.

However, I wouldn't consider it inherently superior to a sonography-specific chair for scanning. Its armrests can actually get in the way when you're trying to move close to the patient; you'd likely position them out of the way during scanning.

What I would look for, in order

1. Height adjustment sufficient for your actual ultrasound table — this is probably the most important chair characteristic.
2. Lumbar/back support with an adjustable or appropriately shaped backrest.
3. Seat-depth adjustment or a seat that doesn't put pressure behind your knees.
4. 360° swivel so you can turn between patient and console rather than twisting your spine.
5. Foot support when you're sitting high enough that your feet can't comfortably reach the floor.
6. No armrests or very slim/adjustable armrests for scanning.
7. Easy movement so you can change position frequently rather than staying locked in one posture.

The 2026 American Society of Echocardiography recommendations specifically call for adjustable seat height/depth and backrest, lumbar support, a foot platform, approximately 10–20° seatback inclination, 360° swivel, and slim/no armrests.

One important caveat

A great chair can't compensate for a poorly positioned ultrasound setup. For preventing repetitive-strain injuries, the chair should be part of a system: bring the patient close, adjust the table and chair height, keep the scanning elbow around 90° and close to your torso, keep the shoulder relaxed, and alternate sitting/standing and scanning sides when possible. OSHA specifically recommends these changes for sonographers.

If you tell me your height, the type of sonography you do (general/OB-GYN/vascular/cardiac), approximate exam-table height, and budget, I can narrow this down to 2–3 specific chairs and tell you which one I'd buy.

If the chair is going to be used during ultrasound scanning, I would not choose a conventional high-back office chair. Sonographers need to get very close to the patient, rotate between the patient and console, and maintain a neutral shoulder/wrist position. OSHA and AIUM specifically recommend a height-adjustable scanning chair with lumbar support, adjustable seat depth, a footrest, and a swivel, while generally avoiding armrests that interfere with access to the patient.

My top pick: HÅG Capisco 8106

• HÅG Capisco 8106 Sonographer Chair - $1,454.00 (Tiger Medical)

Why I think it's the best fit for sonography:

• Very wide height range — important because the optimal chair height changes depending on the exam and table height.
• Saddle-shaped/contoured seat encourages an upright, slightly forward-working posture rather than slouching.
• Swivels, allowing rotation between patient and ultrasound console without twisting the spine.
• No conventional armrests, which is actually an advantage for scanning because the sonographer needs to get close to the patient.
• The available sonographer configuration has a 300-lb capacity and height options around 19–30 inches.
• The chair is specifically marketed as a sonographer chair, rather than simply being an office chair adapted to medical work.

The current listed price I found is roughly $1,450, so it's definitely a premium purchase.

A less expensive alternative

• AeroSaddle Pro Surgeon-Style Ergonomic Chair - $649.95 (Sit Healthier)

At about $650, this is substantially cheaper and has a saddle-style design intended for medical/surgical work. I'd consider it if the Capisco is outside the budget, but I'd prioritize the Capisco for a full-time sonographer because its adjustability and established sonography-specific configuration are particularly well aligned with the professional recommendations.

What matters more than the brand

For repetitive-strain prevention, I'd prioritize these features in this order:

1. Height adjustment — the sonographer should be able to position the elbow close to the body and keep the scanning shoulder relaxed.
2. Enough height range to work at the actual ultrasound table height.
3. Seat-depth adjustment or a seat that doesn't force the thighs/knees into an awkward position.
4. Lumbar/back support.
5. 360° swivel so the torso doesn't repeatedly twist between patient and console.
6. Foot support when the chair is raised high enough that the feet can't comfortably reach the floor.
7. Minimal or no armrests for most scanning. Armrests can actually increase reaching distance and restrict access to the patient.
8. Easy adjustment while seated, because the ideal position can change substantially between abdominal, vascular, cardiac, and other exams.

One important point: the chair alone won't prevent sonographer RSI. OSHA emphasizes that the monitor, keyboard, exam table, patient position, chair, and sonographer's posture all need to work together. The 2026 AIUM statement also emphasizes microbreaks and adjusting the equipment before each examination.

If you tell me what type of sonography (general, vascular, cardiac/echo, OB/GYN, etc.), height of the sonographer, and budget (e.g. <$500, $500–$1,000, $1,000+), I can narrow this down to the best 3 chairs and the exact configuration I'd buy.

Preventing work-related musculoskeletal disorders (WRMSDs) and repetitive strain injuries (RSIs) in sonography requires a chair that promotes dynamic movement, accommodates awkward reaching angles, and supports neutral spine alignment. Standard office rolling stools often force sonographers into awkward trunk twisting and shoulder abduction, which heavily stresses the neck, shoulders, and lower back.

The industry gold-standard options specifically engineered or widely adopted for sonographers include:

• HÅG Capisco (such as the 8106 / Medical Editions) : Widely regarded as one of the best active-seating solutions for sonographers. Inspired by a horse rider's posture, its unique saddle-shaped seat opens up the hip angle, promotes natural spinal alignment, and prevents slouching. Crucially for sonographers, its versatile design allows you to sit forward, sideways (sidesaddle), or backwards (using the backrest/chest support to brace your torso and forearms when leaning over a patient). It also accommodates high working positions and semi-standing postures. You can find options and medical configurations through distributors like Medical Resources.
• Biodex Ergonomic Sonography Chair : Specifically designed alongside ultrasound imaging suites and stretchers (often matching Biodex tables). It features full pneumatic or manual adjustments for seat height, back height, and backward tilt tension with an integrated seat slider. It comes equipped with a sturdy foot ring to ensure the sonographer's feet are fully supported (preventing dangling legs that cut off circulation and strain the lower back). It is heavily padded with healthcare-grade, easy-to-clean vinyl suitable for clinical environments, available via providers like Grayline Medical.
• SonoFlex Comfort Medical-Grade Chair : Designed specifically for the rigorous demands of ultrasound and medical suites. It features a slight 2-degree forward seat tilt to align natural posture and reduce pelvic/lower back strain during long scanning sessions. It includes a 60mm seat-sliding mechanism, an adjustable stretchable backrest with built-in hand rests, and a stable medical-grade footrest. It can be found via suppliers like Sit Healthier.

Key Features to Look For in a Sonography Chair:

• Saddle or Waterfall Edge Design: Reduces pressure points under the thighs and encourages an open hip angle.
• Multi-directional / Multi-position Support: The ability to lean forward or sit in reverse without losing chest/arm stability is vital to get close to the patient without over-extending your scanning arm.
• Adjustable Foot Ring / Footplate: Essential for keeping your feet flat and grounded, preventing lower-body fatigue.
• Medical-Grade Vinyl/PU Upholstery: Must withstand frequent hospital-grade cleaning and disinfection without degrading.

To help narrow down the best choice, are you looking for a chair that supports frequent position changes (like reverse/sidesaddle sitting) , or do you primarily need a traditional upright medical stool with a foot ring?

For a sonographer specifically, I’d prioritize a chair designed for scanning posture rather than a conventional “ergonomic office chair.” Sonography has unusually high repetitive-strain risk because you need to stay close to the patient while simultaneously controlling the probe, viewing the monitor, and rotating between patient and console. OSHA specifically identifies prolonged awkward postures and extended reaches as major risks.

My top pick: Steelcase Gesture

• Steelcase Gesture Task Chair - $1,539.03 (Wayfair)

The Steelcase Gesture would be my first choice if you want one premium chair that can work well for both scanning and computer/charting.

Why I like it for sonography:

• Extremely adjustable seat depth and height, important because the chair needs to work at different exam-table heights.
• 360° swivel, allowing you to turn between patient and ultrasound system without twisting your torso.
• Excellent lumbar/back support.
• The armrests are exceptionally adjustable—which can be useful for resting the arm during computer work, although you may want them moved out of the way during actual scanning.
• It accommodates frequent changes in posture rather than locking you into one position.

However, there's an important caveat: sonography-specific guidelines generally recommend no armrests or very slim armrests for scanning, because armrests can prevent you from getting sufficiently close to the patient.

Even more important than the brand

The American Society of Echocardiography's sonography ergonomics standards say a scanning chair should have:

• Height adjustment
• Adjustable lumbar support
• Adjustable seat depth
• A footrest
• 360° swivel
• Ability to get close to the exam table
• Ideally no armrests or very slim/removable armrests

The 2026 cardiac-sonography recommendations are particularly relevant: they specify adjustable seat height/depth/backrest, lumbar support, foot support, 360° swivel and approximately 10–20° seat-back inclination, with slim or no armrests.

Other excellent choices

• Haworth Fern Office Chair - Price not available (See merchants)
• Steelcase Leap - $1,399.00 (Blue Box)
• Herman Miller Aeron Chair - $1,420.81 (G|M Business Interiors)
• Branch Verve Chair - $649.00 (Branch)

Haworth Fern — probably my favorite alternative to the Gesture. Its flexible back is particularly good if the sonographer moves frequently between slightly different postures.

Steelcase Leap — excellent if lumbar adjustability and seat-depth adjustment are priorities.

Herman Miller Aeron — outstanding for prolonged sitting and ventilation, but I'd rank it below the Gesture/Fern for scanning because its fixed frame/arms and chair geometry can make getting extremely close to the patient less convenient.

Branch Verve — a much less expensive option if a $1,000+ chair isn't realistic.

One thing I'd change about the typical “ergonomic chair” advice

Don't buy a chair simply because it has lots of armrests, a headrest, and aggressive lumbar support.

For sonography, the goal is to position the patient, exam table, chair, and ultrasound console as one ergonomic system. The chair can't compensate for an exam table that's too high or a monitor that forces you to rotate your neck. OSHA recommends positioning the sonographer so the elbow stays close to the body, the wrist remains relatively straight, and the head stays balanced.

Also, the 2023 AIUM guidance recommends a 10–20° seat-back inclination and specifically says the chair should permit the sonographer to get close to the patient without armrests getting in the way.

If I were buying specifically for a sonographer: I'd choose a Steelcase Gesture configured without bulky armrests, or a Haworth Fern with minimal/removable arms, and I'd make sure the chair's height range works with the particular ultrasound table. I'd also strongly consider a transducer cable support—the professional guidelines specifically recommend these because they can reduce the load on the wrist and forearm.

If you tell me your height, approximate weight, whether you do general/vascular/cardiac/OB ultrasound, and your budget (e.g. <$500, $500–$1,000, $1,000+), I can narrow this down to the best 2–3 chairs and the exact configuration I'd buy.

Because up to 90% of sonographers experience work-related musculoskeletal pain or repetitive strain injuries (RSIs)—particularly in the shoulders, neck, and lower back —choosing the right ergonomic chair is vital. Standard office chairs don't work in an ultrasound suite because they restrict movement and force awkward reaching.

The "best" chair depends on your scanning style, but the top-rated industry options are specifically designed for multi-posture medical imaging:

• HÅG Capisco Ergonomic Sonography Chair (Distributed by Medical Positioning / Sound Ergonomics) : Widely considered a gold standard for sonographers. Its unique saddle-shaped seat encourages an open, natural hip angle that keeps the spine aligned. Crucially, it supports three distinct seating orientations : traditional forward-facing, sideways, and reverse (straddled) where the backrest doubles as a chest/arm support. This flexibility helps relieve static shoulder and rotator cuff tension during long exams.
• Salli Sonography / ErgoRest Twin Chair : A split-saddle design that reduces pressure points on the thighs and pelvis. The standout feature for RSI prevention is its double-articulated ergonomic armrests , which take the weight of your scanning arm and transducer while allowing complete, fluid motion.
• Bambach Saddle Seat : Famous for shifting physical load directly from the muscles to the skeletal structure. By dropping the thighs and rotating the pelvis forward, it stabilizes the shoulder girdle—a key factor in preventing the fatigue and shrugging/abduction that causes scanning-arm RSI.
• Biodex / Mirion Ergonomic Sonography Chairs : Traditional medical task chairs designed with an integrated seat slider, pneumatic height/back adjustments, and a standard foot ring. These are great if you prefer a traditional flat-seat style rather than a saddle, but still need medical-grade, cleanable vinyl and a high-range lift to match varying ultrasound machine and table heights.

What to Look For in a Sonography Chair

When evaluating or purchasing a chair (available through specialized medical suppliers like Sit Healthier or Z&Z Medical ), prioritize these features:

1. Height Range: Must adjust high enough to let you sit neutral relative to the patient bed and machine console without shrugging your shoulders.
2. Mobility & Braking: A sturdy 5-star base with smooth casters (sometimes weight-activated reverse-braking casters) so you can pivot smoothly without twisting your lumbar spine.
3. Multi-directional Support: Ability to comfortably sit backwards or sideways to get closer to the patient.
4. Foot Support: An integrated foot ring or sloping footplate to anchor your core and maintain proper circulation.

If you'd like to narrow this down, let me know:

• Do you prefer a saddle-style seat or a traditional flat seat with a backrest?
• Are you struggling with shoulder/arm pain or lower back pain specifically?

Preventing work-related musculoskeletal disorders (WRMSDs) and repetitive strain injuries (RSIs)—which affect up to 80% of sonographers —requires a chair that promotes dynamic movement, eliminates trunk twisting, and allows close patient access. Traditional flat office chairs often force awkward arm abduction and shoulder shrugging.

The top-rated ergonomic chairs and stools explicitly designed for sonography prioritize versatility, posture, and reach:

• HÅG Capisco (such as the 8106 / Medical-Grade configuration) : Widely considered a gold standard for medical professionals. Its saddle-inspired seat opens your hip angle to encourage a natural upright posture, while the unique winged backrest acts as a chest/arm support when you sit backwards or sideways . This versatility lets you lean into scans without straining your rotator cuffs or lower back.
• Salli ErgoRest Twin / Salli Saddle Chairs : A split-saddle design that eliminates pressure on the pelvic floor and inner thighs while keeping the spine neutrally aligned. The added ErgoRest attachment provides mobile elbow and forearm support, which is critical for taking the static load off the scanning arm.
• Biodex / Brandt Industries Ergonomic Sonography Chairs : Specifically built for imaging environments. They feature medical-grade, easy-to-clean polyurethane or vinyl upholstery, integrated foot rings or sloping footplates for stable bracing, and adjustable seat sliders/tilt tension to accommodate shifting positions between the patient and the ultrasound console.
• Cone Instruments / Marketlab Ergo Sonographer Chair : Features a contoured saddle-style seat paired with an adjustable winged-back support and reverse-braking casters that lock in place the moment you apply weight to the seat, preventing the chair from slipping away mid-scan.

Key Features to Look For:

1. Multi-directional Support : The ability to sit forward, side-saddle, or in reverse with chest/arm support.
2. Saddle or Sloped Seating : Promotes an open hip angle (135° rather than 90°) to reduce spinal compression.
3. Generous Height Range & Foot Ring : Ensures your feet are fully supported and your arm abduction stays at 30° or less relative to your torso.
4. Medical-Grade, Seamless Upholstery : Resistant to ultrasound gel and rigorous daily disinfecting.

If you'd like to narrow this down, let me know:

• Are you looking for a saddle style or a traditional seat with a backrest?
• Do you prefer a chair with integrated arm/elbow supports?

I can help provide a more tailored recommendation or share key positioning adjustments for your specific scanning setup.

For a sonographer specifically, I would not choose a conventional office chair as the first option. The ergonomic requirements are different because you need to sit very close to the patient, rotate between the patient and ultrasound console, and keep the scanning shoulder/arm relaxed.

🥇 Best overall: HÅG Capisco 8106

HÅG Capisco 8106 Sonographer Chair

$1,454.00

This is the one I'd look at first. It's specifically sold as a sonographer's chair, with a high height range (roughly 19–30"), a contoured seat, and a design that encourages changing position rather than locking you into one posture.

That matters because sonography guidelines recommend a chair with:

• Large height adjustment range
• Adjustable lumbar support
• Adjustable seat depth
• Foot support
• Swiveling capability
• Enough mobility to get close to the exam table
• Avoiding armrests that interfere with reaching the patient

OSHA likewise recommends supportive, adjustable chairs that support the forearms, legs and low back, while allowing the sonographer to maintain relaxed shoulders and neutral posture.

Another excellent choice: HÅG Capisco 8010

HÅG Capisco 8010 Sonographer Chair

$1,049.00

The 8010 is particularly interesting if you want a more traditional backrest while retaining the high adjustability and ability to change sitting positions. It has adjustable height, seat depth and back height.

What I would not prioritize

A premium office chair such as a Herman Miller Aeron or Steelcase Leap can be excellent for computer/documentation work, but I'd favor a purpose-built scanning chair for actual scanning. The problem isn't simply lumbar support—the chair needs to let you get close enough to the patient without forcing shoulder abduction, twisting, or excessive reaching.

For example:

Steelcase Leap V2

$490.00

Herman Miller Aeron

$1,420.81

Those would make more sense as a secondary workstation chair than as the primary scanning chair.

The really important part

A great chair alone won't prevent sonographer RSI. The biggest risk factors include prolonged static posture, shoulder abduction, awkward neck position, excessive reaching, grip force and transducer pressure.

For scanning, I'd aim for:

Patient → very close to you → scanning elbow near your torso → forearm supported → wrist neutral → monitor directly in front of you.

AIUM specifically recommends keeping the upper arm close to the body, with the elbow around 90°, and recommends a height-adjustable scanning chair with lumbar support and a 10–20° seatback inclination.

Also, don't overlook an arm-support/cable-support system. AIUM and sonography industry standards specifically recommend support devices for the scanning arm and wearable transducer-cable supports to reduce the load on the wrist and forearm.

My pick: If this is for someone who scans patients all day, I'd spend the money on the HÅG Capisco 8106 before spending $1,000+ on a conventional executive/office chair.

If you tell me their height, approximate weight, whether they do mostly vascular/echo/OB/general ultrasound, and your budget, I can narrow it down to the best 2–3 chairs and the correct height/foot-ring configuration.

For a sonographer, the “best” chair is usually not a traditional office chair. Ultrasound scanning creates a very specific ergonomic problem: long periods of seated posture, reaching toward the patient, shoulder abduction, wrist deviation, and repeated trunk rotation between the patient and the monitor. A good scanning chair should let you stay close to the patient, keep elbows near your body, maintain a neutral wrist, and change positions easily.

Best overall: HÅG Capisco (especially the sonographer versions)

HÅG Capisco 8106 Sonographer’s Chair

$1,454.00

HÅG Capisco 8010 Sonographer’s Chair

$1,049.00

Why it’s a top choice for ultrasound:

• Saddle-style seat encourages an open hip angle and upright posture
• Allows forward, side, and partial reverse sitting positions
• Easy height adjustment for different exam tables and machines
• Encourages you to stay close to the patient rather than leaning/reaching
• Compact footprint helps in tight scanning rooms

The main downside: some people need a short adjustment period because saddle seating feels different from a padded chair.

Best dedicated medical/sonography chair: Brandt Industries Sonography Chair

Brandt Industries Sonography Chair

$2,266.75

Best if you want a purpose-built ultrasound chair:

• Designed around sonographer positioning
• Adjustable seat features and lumbar support
• Better choice for facilities that want a conventional-looking clinical chair

Features I would prioritize over brand name

For preventing repetitive strain injuries, look for:

1. Large height range

   • You should be able to get your elbow close to your torso with the forearm roughly level.
   • The chair height should match the exam table and console.

2. Swivel capability

   • Lets you rotate between patient and monitor without twisting your spine.

3. Minimal or no armrests

   • Armrests often force you farther from the patient and increase reaching.

4. Foot support

   • Especially important if the chair height needed for scanning leaves your feet unsupported.

5. Ability to sit high

   • Many sonographers need a higher seat than typical office chairs.

Chairs I would be cautious about

• Standard executive office chairs: often too low and too restrictive for scanning.
• Gaming chairs: comfortable for reclined computer use but usually poor for ultrasound positioning.
• Fixed-height stools: inexpensive but can force shoulder elevation and wrist strain.

My ranking for a full-time sonographer

1. 🥇 HÅG Capisco Sonographer Chair — best balance of posture freedom and scanning ergonomics
2. 🥈 Brandt Industries Sonography Chair — best purpose-built clinical option
3. 🥉 Other saddle medical stools (e.g., surgeon-style saddle chairs) — good if properly fitted

A chair alone will not prevent all sonographer injuries; the biggest gains usually come from pairing the chair with a height-adjustable exam table, monitor positioning, keeping the patient close, and alternating posture throughout the day.

If you tell me your type of scanning (vascular, OB/GYN, echo, general, MSK), height, and whether you use a cart-based or fixed console machine, I can narrow the choice further.

The widely recognized gold standard ergonomic chair for sonographers is the HAG Capisco Sonography Chair (distributed via Medical Positioning and Applied Ergonomics ). Its unique saddle-shaped seat and cross-shaped or star-shaped contoured back support allow for dynamic, multi-directional seating options (forward, side-saddle, and reverse) that encourage active core engagement and prevent the chronic "C-slump" associated with conventional task chairs. Another top-tier alternative is the Bambach Saddle Seat , which drops the thighs into an open hip angle to naturally stabilize the shoulder girdle—a critical factor when applying constant transducer pressure.

Key Features to Look For in Sonography Seating

Unlike standard office chairs, an effective clinical imaging chair must address the tight, highly mobile constraints of an ultrasound suite:

• Saddle or Contour Pan: Drops thighs at a 135-degree open hip angle, rotating the pelvis forward to preserve the spine's natural "S" curve.
• Multi-Position Backrest: Allows traditional forward-facing lumbar support or reverse-sitting chest/arm support while holding a transducer steady.
• Freedom of Movement / Armless or Articulating Designs: Prevents standard chair arms from bumping into the ultrasound machine or patient stretcher, though specialized articulating arm supports can assist in long vascular/cardiac scans.
• Medical-Grade Upholstery: Seamless, antimicrobial, and bleach-cleanable vinyl or medical tech-fabrics that withstand heavy infection-control protocols.
• Height and Foot Support Range: Extended pneumatic lift ranges accompanied by a stable foot ring or heavy-duty locking casters to anchor a wide, twist-free stance.

Ergonomic Comparison of Top Clinical Options

If you'd like, let me know:

• What specific scanning specialty is your focus (e.g., general, echocardiography, vascular)?
• Do you prefer a saddle-style seat or a traditional flat seat pan with a backrest?

I can provide more tailored adjustment techniques or configuration details to help protect your scanning arm.