Chapter 5.7 Lecture Bones of the Lower Limb

Bones of the Pelvic Girdle Formed by two coxal (ossa coxae) bones Composed of three pairs of fused bones Ilium Ischium Pubis

Bones of the Pelvic Girdle The total weight of the upper body rests on the pelvis It protects several organs Reproductive organs Urinary bladder Part of the large intestine

Gender Differences of the Pelvis female inlet and outlet larger and more circular bones are lighter and thinner sacrum is shorter and less curved pubic arch is more rounded

Bones of the Lower Limbs The thigh has one bone Femur The heaviest, strongest bone in the body

Bones of the Lower Limbs The lower leg has two bones Tibia Shinbone Larger and medially oriented Fibula Thin and sticklike

Bones of the Lower Limbs The foot Tarsals Two largest tarsals Calcaneus (heelbone) Talus (tibia rests on this) Metatarsals—sole Phalanges—toes

Bones of the Lower Limb Note: the big toe is the only toe that does not have a middle phalange bone. Figure 5.26