In this review, we take a closer look at the ‘Inada HCP-S373 (B) Flex 3s Massage Chair’ to help you decide whether this is the right chair for you or not.

Inada HCP-S373 (B) Flex 3s Massage Chair Review

Model: HCP-S373 B

Make: Inada

Key Features:

  • Pretty much unlimited customized massage options
  • 50 airbags
  • Stretching features
  • Heat options even for fingers and toes

Colors: Black, Dark Brown

Benefits of the Inada Massage Chair

Improve your posture: The correct posture can make a world of a difference to your overall sense of well-being. Inada Massage Chair’s main focus lies on improving your posture via its shoulder stabilizers. It helps to revive the natural S-curve of your spine and it stimulates your abdominal muscles for a stronger core.

Improve blood flow: By increasing lymphatic circulation in your body, this massage chair helps to eliminate toxins. It also helps your body absorb more nutrition by increasing the blood circulation around the body.

Feel relaxed: This product also exercises your diaphragm and induces deep breathing by mobilizing your back muscles. Deep breathing can increase the amount of oxygen in your blood, making you feel calmer and more active in the cognitive sense.

Heat therapy: This Inada model also provides an option to heat your hands or the sole of your heat. By providing adequate heating to your body, this massage chair helps to relieve pain much faster. The heat can also be useful during colder months to attain the cosy, warm comfort.

Increases flexibility: Engineered with the consultation of renowned Japanese sports stretching instructor Tadashi Kanako, Inada massage chair’s therapeutic stretching movements helps to increase flexibility and relieves pain and stiffness. It also helps to loosen tight and tense muscles.

Reduce muscle fatigue: Massaging can help reduce muscle aches by removing muscle knots and decreasing the overall pain in the area.

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How to use the Inada Massage Chair

If you are using your massage chair for the first time, make sure to follow the instructions very carefully for the installation process. Then, you can plug the chair into a wall outlet and plug the power cord into a cord connector located at the front right of the chair.

Set the main power switch located on the right side of the chair set to ‘on’.

Remove all your hard items such as hair clips, watches, bracelets and rings before sitting. After placing yourself on the massage chair, you can recline your chair and choose to do a preset session or a manual session with your preferred massage styles:

Preset Session:

  • Six Automatic Sessions: Massage and Stretch, Full Body Stretch, Full Body Massage, Low Body Focus, Warm Up or Cool Down.

Manual Session:

  • Basic Operations: Kneading (circular motions), Tapping (mimics the feeling of fingers tapping)
  • Partial/ Full Rolling (sliding or pressing the spine)
  • Special Operations: Human Hands, Shoulder, Low Body, Stretch

Then you can adjust the shoulder positions using the roller buttons. You can also change the mechanical intensity level (Low, Medium, and High), width (narrow, medium, wide), air massage intensity and speed. Sit back and enjoy your massage.


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Features of the Inada Massage Chair

Child Safety

Although it is highly recommended that children do not play around massage chairs, Inada has a breakaway power chord to ensure your child’s safety just in case.



This Inada massage chair has been constructed with anti-bacterial, synthetic and soil-resistant leather. It is easy to clean with a damp cloth. The air cells used for neck, arm, calf, foot, and seat massage have been constructed using Hi-Flex, Hi-Resilience PVC material.


Shiatsu Point Locator

It also uses a body scanning technology which helps to customize massage sessions to cater the needs of each individual according to their body.


Removable Headrest and Lower Back Pad

The headrest can be removed or used according to your preferred massage intensity level.  Similarly, the lower back pad is also removable. This pad helps to buffer the massage intensity and can also increase your comfort level when the massage chair is placed in a reclined position.


Hand-held Remote

This user-friendly hand-held remote offers 11 pre-programmed sessions and over 1,000 possible manual massage combinations. Its LED screen also makes the buttons easy to read.


Automatic Reclining Function

The leg rest can be adjusted up to a 90 degrees and the seat back can be reclined to any angle between 115 degrees to 165 degrees according to your desire.


Therapeutic Tortion

This Inada HCP-S373 (B) Flex 3s Massage Chair features movements designed by expert physical therapists designed specifically to release tension in the back and legs. This chair also gives you the option of heating your hands and soles for optimum relaxation.


Shoulder Stabilizers

This unique feature is one of the core characteristics of this product. The adjustable shoulder stabilizers help to improve your back mobility and posture.


Choreographed Movements

The specialized movements of this product have been proved to improve mobility in back and hamstrings.


Shiatsu Inserts

Shiatsu Inserts can also be added to the foot rest of the massage chair. These inserts can provide deeper acupressure effects to the soles of your feet.


Hip and Thigh Massage

The specific inward and outward motion in the lower body area of the massage chair has been designed to alleviate muscle soreness and fatigue.


Mechanical Arm 3D Mechanism

This mechanism allows you to control the intensity of the kneading process by adjusting the intensity of the mechanical arm with an air bag.

View this Inada Massage Chair on Amazon!


Who Should Use This Inada Massage Chair?

People who experience muscle aches as well as posture problems should use this massage chair. It should also be used by people who feel that they have tense muscles. It might be especially useful for people who want to stretch and relieve their joint stiffness/ back pain at the same time.

People whose work puts a lot of pressure on their feet should also use this product.

Who shouldn’t use this Inada Massage Chair?

This massage chair might not be suitable to people who weigh more than 240 lbs/ 100 kg or people who are more than 6”2 tall. Pregnant women are also advised not to use this product as the massages might harm the fetus.


Customer Support and Warranty

Inada offers 3 year limited repair or replacement warranty on this massage chair model. They can also provide on-site service as necessary. If you want to obtain more details regarding the eligibility of your massage chair, call the customer support at 303-572-5000, extension 106.

You can also purchase the 5-year extended warranty. Do note that the rights given by the warranty may vary state-to-state. A personal inspection is also recommended after 5 years of usage.


Final Thoughts

The Inada HCP-S373 (B) Flex 3s Massage Chair is a great deal if you are looking for massage chair that has advanced technology to combine stretching and relieving muscle pain.