Lower Limb Flashcards
Two pairs of appendages
Vertebrate
Pelvic girdle anchored directly to spinal column
Tetrapods
Pelvis constructed from 3 paired bones plus axial component
Tetrapods
One proximal skeletal element (femur)
Tetrapods
2 intermediate skeletal elements (tibia and fibula)
Tetrapods
2 or 3 rows of tarsal bones
Tetrapods
5 digits w metatarsals and phalanges
Tetrapods
Division of musculature into extensor and flexor groups
Tetrapods
Expansion of sacral attachment of pelvis
Mammalian
Femoral neck at a sharp angle to shaft
Mammalian
Limb joints operating in a single plane
Mammalian
Tendency for upright posture of trunk
Primate
Opposable hallux
Primate
Iliac blade flaring widely in coronal plane
Hominoid
Subtalar and transverse joints of foot mobile
Hominoid