Posture and Postural Deformities
Class 10 Health and Physical Education · Chapter 5
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Summary
Posture is the position in which we hold our body while standing, sitting, walking or lying down, and good posture means maintaining the body in correct alignment with the least strain on muscles and joints. This chapter explains the importance of correct posture for health, appearance, efficiency and confidence, and the causes of poor posture, such as weak muscles, bad habits, improper furniture, carrying heavy loads, illness and malnutrition. It describes common postural deformities — kyphosis (a rounded upper back), lordosis (an inward curve of the lower back), scoliosis (a sideways curve of the spine), flat foot, knock knees and bow legs — explaining their causes and how each affects the body. The chapter then gives corrective measures and exercises for each deformity, along with preventive advice such as sitting and standing correctly, exercising regularly, eating a balanced diet and using proper furniture, so that students can maintain good posture and avoid deformities.
Meaning and importance of postureCauses of poor postureKyphosis, lordosis and scoliosisFlat foot, knock knees and bow legsCorrective and preventive measures
Key terms
Posture
The position in which the body is held while standing, sitting or moving.
Kyphosis
An excessive outward curve of the upper back (round shoulders).
Lordosis
An excessive inward curve of the lower back.
Scoliosis
A sideways (lateral) curvature of the spine.
Flat foot
A deformity in which the arch of the foot is absent.
Knock knees
A deformity in which the knees touch but the ankles stay apart.
Extra questions & answers
Try one from this chapter
Good posture means holding the body: