appendicular skeleton. the pectoral (shoulder) girdle composed of 2 bones clavicle – collarbone ...

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Appendicular Skeleton

The Pectoral (Shoulder) Girdle

Composed of 2 bones Clavicle – collarbone Scapula – shoulder blade

These bones allow the upper limbs to have exceptionally free movement

Bones of the Shoulder Girdle

Bones of the Upper Limb

The arm is formed by a single bone Humerus

Bones of the Upper Limb

The forearm has 2 bones: Ulna Radius

Bones of the Upper Limb

The hand Carpals – wrist Metacarpals –

palm Phalanges -

fingers

Put it all together…

Bones of the Pelvic Girdle Hip Bones

Composed of three pair of fused bones Ilium Ischium Pubic bone

The total weight of the upper body rests on the pelvis

Protects several organs Reproductive organs Urinary bladder Part of the large intestine

The Pelvis

Gender differences of the Pelvis

F. inlet is larger and more circular

F. ilia flare more laterally

F. sacrum shorter & less curved

F. pubic arch is more rounded b/c the angle of the pubic arch is greater

Why the differences?! Dimensions of the F. pelvis

are very important for childbirth

Bones of the Lower Limb

The thigh has one bone Femur

Bones of the Lower Limbs

The leg has 2 bones Tibia Fibula

Bones of the Lower Limb

The foot Tarsus – ankle Metatarsals – sole Phalanges - toes

Put it all together…