Human Osteology ASA Bio 2014 Williams.

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Presentation transcript:

Human Osteology ASA Bio 2014 Williams

Major Divisions of the Body Cranial – skull Infracranial – the rest of the body Axial – trunk & head (parts in midline) Appendicular – appendages/ limbs Includes pelvic and shoulder girdles

Upper Limb Clavicle Scapula Humerus Radius Ulna Carpals Metacarpals Phalanges

Clavicle 1 right & 1 left Articulates with sternum medially and scapula laterally Part of shoulder girdle

Scapula 1 right & 1 left Articulates with clavicle and humerus Does NOT articulate with ribs Part of shoulder girdle

Humerus 1 right & 1 left Articulates with scapula, ulna & radius

Ulna 1 right & 1 left Articulates with humerus & radius Connected to radius by interosseous membrane Does NOT articulate with carpal bones

Radius 1 right & 1 left Articulates with humerus, ulna, and proximo-lateral aspect of carpal bones Connected to ulna by interosseous membrane

Carpals Bones of the wrist 8 elements (per side) 2 rows of 4 Proximal row articulates with radius Distal row articulates with metacarpals

Metacarpals Bones of the hand 5 elements (per side) Articulate with distal row of carpals and phalanges Numbered lateral to medial MC1 – MC5

Manual Phalanges Bones of the fingers 14 elements (per side) Separated into three rows Proximal phalanges (5) Intermediate phalanges (4) Distal phalanges (5) Singular – phalanx Intermediate

Lower Limb Innominate Femur Patella Tibia Fibula Tarsals Metatarsals Phalanges

Innominate Os coxa 1 right & 1 left Articulate with sacrum posteriorly, other innominate anteriorly, and femur laterally

Innominates 3 parts Ilium Ischium Pubis

Femur 1 right & 1 left Considered strongest bone Articulates with innominate, tibia, and patella

Patella 1 right & 1 left Sesamoid bone Articulates only with femur

Tibia 1 right & 1 left Articulates with femur, fibula and talus (tarsal bone) Weight bearing bone of the lower leg Connected to fibula with interosseous membrane

Fibula 1 right & 1 left Non-weight bearing Articulates with tibia and talus (tarsal bone) Connected to tibia by interosseous membrane

Tarsals Bones of the ankle 7 elements (per side) Articulate with each other, tibia, fibula, and metatarsals

Metatarsals Bones of the foot 5 elements (per side) Numbered medially to laterally MT1 – MT5 Articulate with tarsals and phalanges

Pedal Phalanges Bones of the toes 14 elements (per side) Separated into three rows Proximal phalanges (5) Intermediate phalanges (4) Distal phalanges (5) Singular – phalanx