CH 7 Skeletal System

Ch 7: Skeletal System

Functions Of The Skeletal System

• Support
• Protection
• Aid in Movement
• Blood Cell Formation
• Storage

Diagram of The Skeleton

Diagram of The Skull

Structure of The Bone

Regions of The Vertebral Column

Bone Disorders

Osteoporosis

• A decrease in total bone mass that usually affects postmenopausal women and the elderly
• Results in:
• Incease fractures
• poor posture
• difficulty in walking​​​​​​​
• Counterbalanced by:
• mild exercise
• vitamin D
• calcium intake
• estrogen therapy
• 

Rickets

• Metabolic diseases caused by a deficiency of vitamin D, in children
• Causes: Weaken bones that are manifested by bowed limbs and a soft skull
• Treatment:
• adequate calcium intake
• adequate vitamin D intake
• 

Scoliosis

• the lateral deviation of the spine from the midline
• 

Lordosis

• Exaggerated curving in the lumbar region
• "Swayback"
• 

Kyphosis

• Exaggerating curving out of the thoracic region
• "Hunchback"
•