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Skeletal System Part II

Skeletal System Part II. Appendicular Skeleton ______ bones of the limbs and pectoral and pelvic girdles 126 In RED

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Skeletal SystemPart II

Appendicular Skeleton

______

bones of the limbs and pectoral and pelvic girdles

126

In RED

Hand

Carpals

Metacarpals

Phalanges

8

Total 27 bones

5

14

Please Take Long Strides

Here Comes The Teacher

Pisiform

Triquetral

Lunate

Scaphoid

Hamate

Capitate

Trapezoid

Trapezium

1. Pisiform

2. Triquetral

3. Lunate

4. Scaphoid

5. Hamate

6. Capitate

7. Trapezoid

8. Trapezium

phalanges

medial

distal

proximal

Metacarpals

carpals

Foot

7

5

14

Tarsals

Metatarsals

Phalanges

Total 26

Crunch Crunch Crunch Corn

Needs Thorough Chewing

123

45

6

7

8

9101112

1st cuniform

3rd cuniform2nd cuniform

cuboidnavicular

talus

calcaneous

metatarsals

phalangesdistalmedialproximal

tarsals

Difference in Male and Female Skeleton

Female inlet larger and more circular

Difference in Male and Female Skeleton

Female pelvis shallower, bones lighter and thinner

Difference in Male and Female Skeleton

Female ileum flares more laterally

Difference in Male and Female Skeleton

Female sacrum shorter, less curved

Difference in Male and Female Skeleton

Ischial spines more rounded because outle larger.

Angle of pubic arch is greater

Joints

Also called articulations

Hold bones together

Give the skeleton mobility

Joints

Classified 2 ways:

Functionally

Structurally

The type of movement

The way the bone is made

Joints

Functionally Structurally

Synarthrosis

Amphiarthrosis

Diarthrosis

Fibrous

Cartlaginous

Synovial

Joints

Functionally Structurally

Synarthrosis

Immovable

Fibrous

Sutures of Skull

Joints

Functionally Structurally

Amphiarthrosis

Slightly movableEnds connected by joints

Cartilaginous

Joints

Functionally Structurally

Diarthrosis

Freely movableHas a joint cavity with synovial fluid

Synovial

Examples of Diarthrosis or Synovial Joints

Plane joint or gliding joint

Movement across

Wrist bones

Examples of Diarthrosis or Synovial Joints

Hinge joint

Movement in one direction only

Elbow, knee

Examples of Diarthrosis or Synovial Joints

Pivot joint

allows rotation around an axis.

The neck and forearms

Examples of Diarthrosis or Synovial Joints

Saddle joint

Movement back and forth and up and down

Thumb

Examples of Diarthrosis or Synovial Joints

Ball and Socket joint

Moves in all directions.

Hip

shoulder

Inflammatory Disorders of the Joints

Bursitis

Inflammation of the bursa

Inflammatory Disorders of the Joints

Arthritis

Inflammation of the joint

Inflammatory Disorders of the Joints

Osteoarthritis

Inflammation of the joint

Most common

Caused by aging

Inflammatory Disorders of the Joints

Rheumatoid Arthritis

Inflammation of the joint.

Chronic

40-50 year old usually

Can occur at any age

3x more in women than men

No known cause

Inflammatory Disorders of the Joints

Gout

Inflammation of the joint

usually in the great toe.

Cause by too much uric acid.

Shaft of long bone?

diaphysis

Review

Groups of tissues make?

organs

Review

Compound fracture?

open

Review

Keystone bone of the cranium?

sphenoid

Review

Keystone bone of the face?

maxilla

Review

largest bone of the face?

mandible

Review

Cheek?

zygomatic

Review

Inferior part of sternum?

Xiphoid process

Large opening (hole) in a bone?

foramen

Review

Soft spots in infant skull?

fontanels

Increase uric acid in the blood can cause a painful condition called?

gout

Review

Bone forming cells?

osteoblasts

Freely movable joint?

Diarthrosis or synovial

Review

Sutures are examples of what type of joint?

Synarthrosis or fibrous

Axial or appendicular?

phanlage

Review

Axial or appendicular?

vertebrae

Forms nasal septum?

vomer

Review

Cause of rickets?

Lack of vitamin D