The dangers of smartphone shoulders and lying face down on your smartphone, and the recommendation of chiropractic treatment ~Stiff neck and shoulders and poor posture are caused by "smartphone habits"~

2025/10/30 blog

We explain the dangers of "smartphone shoulder," which is caused by using your smartphone face down or hunched over. We also introduce chiropractic treatments to improve posture and breathing by adjusting your shoulder blades, rib cage, and neck.

"My shoulders and neck have been feeling heavy lately." "I've been getting more headaches." "I'm having trouble falling asleep."
The cause of this may actually be your "smartphone posture."

The longer you look at your smartphone, the more your body leans forward.
It puts strain on the neck, shoulders and back muscles.
In particular, the posture of "looking at a smartphone while lying face down"
This puts a lot of stress on the neck joints and around the shoulder blades, leading to chronic discomfort.

◆What is smartphone shoulder?

Smartphone shoulder is a condition caused by a slouching posture when using a smartphone.
A condition in which the muscles from the neck to the shoulders become stiff.
The further forward the neck, which supports the weight of the head (about 5 kg), the greater the strain.

for example,

  • If the neck is bent forward 15 degrees, the weight will be about 12 kg.

  • Approximately 18 kg at 30 degrees

  • Approximately 22 kg at 45 degrees
    It is said that a lot of stress is placed on the neck.

If this continues for a long time,
✅ Stiff shoulders and neck
✅ Headaches and eye strain
✅ Back stiffness and arm numbness
Shallow breathing and difficulty concentrating
etc., affecting the entire body.

◆ The dangers of using a smartphone face down

Looking at your smartphone while lying face down causes your neck to bend unnaturally.
This places excessive strain on the glenohumeral joint (shoulder joint) and rib cage (around the ribs).

If this attitude becomes a habit,

  • Neck distortion

  • Misalignment of the shoulder blades

  • Shallow breathing due to chest pressure
    As a result, the balance of the autonomic nervous system becomes more easily disturbed .

In other words, not only will your body be tired, but your mind will also be restless.

◆ Smartphone shoulder care that can be done through chiropractic treatment

In chiropractic treatment, stiff muscles caused by smartphone posture are
We will focus on aligning the shoulder blades, rib cage, and neck area .

① Restore the range of motion of the shoulder blades

Relax the muscles around the shoulder blades (trapezius, levator scapulae, etc.),
Improves rounded shoulders. Your chest will naturally open, making breathing easier.

② Expand the rib cage to improve breathing

By adjusting your ribs and chest area, your breathing will become deeper,
The parasympathetic nervous system becomes dominant, and it is also effective in relieving fatigue, insomnia, and poor concentration.

3. Reset neck distortion and head position

For those with a tendency towards straight neck,
This treatment corrects the movement of the cervical vertebrae and restores the head's natural alignment.

◆ How to prevent smartphone shoulder at home

  1. Be mindful of your posture by tucking your chin in
    When looking at your phone, raise the screen to eye level.

  2. Shoulder rotation stretch (10 times forward and backward)
    Move your shoulder blades to promote blood flow.

  3. Take three deep breaths to open your chest
    Stand up straight, inhale through your nose and exhale slowly through your mouth.

Small daily actions can help prevent neck and shoulder stiffness.

◆ Reset your smartphone fatigue with Re・Set's chiropractic treatment

At Hashimoto's chiropractic salon Re・Set,
We provide chiropractic treatments that specialize in improving smartphone-related shoulders, stiff necks, and slouching.
Aligning the shoulder blades, rib cage, and pelvis,
Comprehensive care for posture, breathing, and blood flow.

"I'm tired from spending so much time looking at my smartphone" "My stiff shoulders won't go away"
If you are one of those people, we recommend you try our "Smartphone Care Chiropractic that Balances Your Body."

Smartphone shoulder / Hunchback / Stiff neck and shoulders / Hashimoto Chiropractic

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