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respiration increases. But when the same individual perform exercise daily, his rate
of respiration decreases in comparison to the beginner at rest.
Strong will power: regular exercise increases the will power of an individual. As
pranayama, the specific exercise for lungs increases the will power of the doer.
Unused alveolus becomes active : Regular exercise activates the unused alveolus
because much amount of oxygen is required in vigorous activities of daily routine.

Ageing is the process of becoming older. It represents the accumulation of changes
in a person over time. Ageing in humans refers to a multidimensional process of
physical,psychological, and social change.
Role of regular exercise on ageing process,
Regular exercise keeps the human body livelier, fitter and In better condition, thus
delaying the ageing processes. As Given below :
(I) exercise reduces the loss of elasticity from the lungs and chest wall agencies
increase muscle strength and hypertrophy by increasing the cross-sectional area of
the Slow Twitch Fibers (sm and Fast Twitch Fibers (FTF). This slows down ageing ·
The body composition changes due to exercise by reducing the fat content of the
body, thus slowing down the ageing process. Exercise impel flexibility by
strengthening the musculoskeletal systems, thereby preventing th bickering of joints.
This also slows the ageing process..
Sports Injuries
Meaning-Injury occurs to the sports person during practice, training and competition
period is called sports injury.

Classification of Sports injuries

 Soft tissue injuries

1. Abrasion(Skin)
2. Contusion(Muscle)
3. Laceration
4. Incision(Skin)

5. sprain
6. strain

 Bone Injuries

Dislocation
1. Shoulder joint

2. hip joint
3. Wrist joint
4. Lower Jaw
Dislocation
Fracture
1. Green stick