Appendicular skeleton

Organization of the Skeleton ,[object Object],[object Object],Axial Skeleton is the “ blue ” Appendicular Skeleton is the “ purple ”

The Appendicular Skeleton ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Pectoral Girdle ,[object Object],important attachment site for a great number of muscles that help to move the arm . The bones of the pectoral girdle are as follows:

[object Object],[object Object],Bones of the Pectoral Girdle

The Upper Extremities ,[object Object]

Bones of the Upper Extremities Humerus

Bones of the Upper Extremities Radius

Bones of the Upper Extremities Ulna

Reminder: A Comparison of the Radius to the Ulna always “palm up,” palmar or supinated perspective “ Thumb” “ Pinkie” Radius (on thumb side) Ulna (on pinkie side)

5 1 2 3 4 4 3 2 1 5 6 7 8 Proximal row of carpals – supinated (palmar) view; laterally to medially; or from below metacarpal 1 to metacarpal 5 Bones of the Upper Extremities 1 = Scaphoid 3 = Triangular 2 = Lunate 4 = Pisiform

5 = Trapezium 6 = Trapezoid 7 = Capitate 8 = Hamate Distal row of carpals – supinated (palmar) view; laterally to medially; or from below metacarpal 1 to metacarpal 5 5 1 2 3 4 4 3 2 1 5 6 7 8 Bones of the Upper Extremities

Bones of the Upper Extremities 1 2 3 4 5 Metacarpals

Naming the Metacarpals: ____________ metacarpal of the _________ hand . (1 st , 2 nd , 3 rd , 4 th , or 5 th ) (Left or Right) **Note: Counting for the metacarpals 1 st through 5 th goes from “thumb” to “pinkie.” Reminder: 1 2 3 4 5 Metacarpals

Bones of the Upper Extremities P P M D D P M D P M D P M D 1 2 3 4 5 Phalanges

Naming the Phalanges: _______________ phalanx of the ___________ digit of the _________ hand . (1 st , 2 nd , 3 rd , 4 th , or 5 th ) (Left or Right) (proximal, middle, or distal) **Note: The 1 st digit, or thumb, has only proximal & distal phalanges – no middle. P P M D D P M D P M D P M D Reminder: 1 2 3 4 5 Proximal Middle Distal Phalanges

Summary of Upper Extremities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Pelvic Girdle ,[object Object]

[object Object],[object Object],Bones of the Pelvic Girdle in late adolescence to form a single bones. They articulate posteriorly with the sacrum and anteriorly to each other at the symphysis pubis joint.

[object Object],[object Object],[object Object],[object Object],Bones of the Pelvic Girdle

[object Object],[object Object],Bones of the Pelvic Girdle The Coccyx Also known as the “ tailbone .”

The Lower Extremities ,[object Object]

Anterior View Posterior View Bones of the Lower Extremities Femur

Tibia Anterior View Posterior View Bones of the Lower Extremities

Fibula Anterior View Posterior View Bones of the Lower Extremities

Reminder : Comparison of the Tibia to the Fibula Right Leg – Anterior View Tibia Fibula Lateral Medial Right Leg – Posterior View Fibula Tibia Lateral Medial

1 2 3 4 5 7 6 5 4 3 2 1 Medial Lateral 1 = Calcaneus (heel bone) 3 = Navicular 2 = Talus (ankle bone) 4 = Medial Cuneiform 5 = Intermediate Cuneiform 6 = Lateral Cuneiform 7 = Cuboid Tarsals – dorsal view; Rt. foot Bones of the Lower Extremities

Summary of Lower Extremities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Appendicular skeleton

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Appendicular skeleton