An estimated 50% of people in the industrialized world suffer some form of back complaint and many of these are related to poor seat design. How we sit and what we sit on affects the health of the spine. The lumbar region is the most frequently damaged (L4 and L5).
Sitting is a body position in which the weight of the body is transferred to a supporting area mainly by the muscles of the pelvis and their surrounding soft tissue.
Purpose – to remove weight from the feet and maintain a stable posture so muscles not directly
Involved with the work can relax.
1-FORWARD LEANING SITTING
2-SWAY BACK SITTING
3- HYPERTENSION SITTING
4. NEUTRAL SITTING
•The ears should be aligned with the shoulders and the
shoulders aligned with the hips.
•The shoulders should be relaxed and elbows are close
to the sides of the body.
•The angle of the elbows, hips and knees is
approximately 90 degrees.
• The knee level should be Lower than Hip level.
•The forearms are parallel to the floor with wrists
straight.
•Feet should rest comfortably Flat on a surface.
Illustrated 90-degree person sitting posture is for anthropometric reference only.We need a variety of chairs that allow different users to each sit in a variety of postures. Crossing and Uncrossing the legs is a characteristic way of re-distributing pressure on the buttocks and also
helps to pump blood through these tissues.
CERVICAL= ????
BACK= ????
HIP & KNEE= ????
MYTH:-“It might take years for bad posture to rear its head, but the effects are cumulative. You might feel fine, fine, fine for a long time, and then you go to bend down and pick something up and your back goes into spasm.”
•Your shoulder is the most mobile & unstable joint of your body. Shoulder muscle provides great stability to the shoulder joint. The main muscle which gives Stability is Rotator Cuff Muscle.
•Your poor Posture of Sitting, Standing, Using Smartphone Can lead to severe shoulder pain which can radiate to your wrist Fingers.
• Poor posture can lead to the tendon becoming pinched and rubbing against the natural padding in the shoulder. Slouching, hunching, sliding down when seated, and other seemingly harmless positions ultimately contribute to pinching and shoulder impingement syndrome over time.
•Sitting at a desk,whether it’s working for hours at a time or for shorter periods at home, TEXTING NECK, WORKING ON LAPTOP, SLOUCHING, HUNCH BACK are one of poor posture can cause troublesome pain in your shoulders.
•STICKING YOUR BOTTOM OUT in your lower back, you may have hyperlordosis. This is an exaggerated inward curve of the lower back that creates a Donald Duck posture. STANDING WITH A FLAT BACK means your pelvis is tucked in and your lower back is straight instead of naturally curved, causing you
to stoop forward,May cause Shoulder pain.
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