1. Skeletal System

2. Terms  Using page 30 write the terms and their definitions that you do not know  Using page 31 label and define the planes of the body  Using page 30 write the terms and their definitions that you do not know  Using page 31 label and define the planes of the body

3. Pre/WR/SuffVocab  arthro  Cardio  Cephalo  Chondro  Dermo  Myo  Os/osteo  Thoraco  Tri  Bi  arthro  Cardio  Cephalo  Chondro  Dermo  Myo  Os/osteo  Thoraco  Tri  Bi  Superficial  Deep  Articulation  Axial skeleton  Appendicular skeleton  Agonist  Antagonist  Synergist

4.  Please Read pgs 39-46

5. Functions  Support  Protect  Produce blood cells  Store minerals and fat  Provide movement  Support  Protect  Produce blood cells  Store minerals and fat  Provide movement

6. Types of Bones  Long  Short  Flat  Irregular  Long  Short  Flat  Irregular

7. Long bone  = longer than they are wide, tubular shape  Examples: femur, tibia, fibula, humerus, radius, ulna  Compact bone: dense (found at ends)  Spongy bone: cancellous (found in shaft)  = longer than they are wide, tubular shape  Examples: femur, tibia, fibula, humerus, radius, ulna  Compact bone: dense (found at ends)  Spongy bone: cancellous (found in shaft)  Hematopoiesis = red blood cell formation  Occurs in spongy bone

8. Short bone  = cube shape, lengths and widths equal  Example:  Metacarpals  Metatarsals  phalanges  = cube shape, lengths and widths equal  Example:  Metacarpals  Metatarsals  phalanges

9. Flat bone  = plate like, broad surfaces  Examples:  Cranium  Sternum  Ribs  pelvis  = plate like, broad surfaces  Examples:  Cranium  Sternum  Ribs  pelvis

10. Irregular bone  = varied shapes with connections for other bones  Examples:  Vertebrae  Patella  Sphenoid  = varied shapes with connections for other bones  Examples:  Vertebrae  Patella  Sphenoid

11. Joints  Classified by:  Amount of movement they allow  According to their structure  3 Types  Synarthrosis  Amphiarthrosis  Diarthrosis  Classified by:  Amount of movement they allow  According to their structure  3 Types  Synarthrosis  Amphiarthrosis  Diarthrosis  Synarthrosis  Sometimes fused together  Examples:  Innominate (ischium, ilium, pubic)  Sacrum  Cranium (sutures)

12. Joints  Amphiarthrosis  = slightly moveable  Examples:  Pubic symphysis  Manubrium & Sternum  Coraco-acromial jt.  Amphiarthrosis  = slightly moveable  Examples:  Pubic symphysis  Manubrium & Sternum  Coraco-acromial jt.

13. Joints  Diarthrosis  Aka synovial  = freely moveable  6 types  Diarthrosis  Aka synovial  = freely moveable  6 types  1. saddle  Thumb, freely moveable  2. ball and socket  Hip, shoulder. Movements in all planes  3. Pivot  Prox radius/ulna. Rotation only  4. Hinge  Elbow, knee. Flexion and extension  5. Gliding  Carpas/tarsals, ribs/vertebrae.  6. Condyloid  Scaphoid/radius, occipital/atlas. All movements but rotation