Anatomy and Physiology - Positive effects of physical activity on the skeletal system

Question 1

What’s the effects of PBD?

Answer 1

• Bone thickness increases

- There is a varied line of stress, this increases the calcium deposits and decreases chance of injury.

Question 2

What is Osteoporois?

Answer 2

Osteoporosis is a degenerative bone disease. It usually effects elderly people but sometimes can effect young people too. Particularly effects the spine.

Question 3

What’s the positive effects of joint stability ?

Answer 3

• Increased thickness of Articular cartlidge acts as shock absorber and this reduces friction
• Increased strength of ligaments e.g 5y ligament at hip
• Increased lubrication of joint, increased secretion of synovial fluid and this increases mobility.
• Increased strength of surrounding muscles of jopints, e.g rectus femoris/knee.

Question 4

What’s the positive effect of weight management?

Answer 4

Less body fat and reduced stress on joints e.g knee joints

Question 5

What’s the effects of posture and alignment ?

Answer 5

• Core stability muscles are strenghtned multi fids and transverse abdominal preventing slouching
• Prevents injury