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Bipedalism

Bipedalism. Vertical Clinging and Leaping. Brachiation. Quadrupedalism. Hindlimb and Pelvis: Long ischium (increases leverage of hamstring m.) Long hindlimb Femur head is cylindrical not ball and socket (for flexion/extension movements)

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Bipedalism

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  1. Bipedalism

  2. Vertical Clinging and Leaping

  3. Brachiation

  4. Quadrupedalism

  5. Hindlimb and Pelvis: • Long ischium (increases leverage of hamstring m.) • Long hindlimb • Femur head is cylindrical not ball and socket (for flexion/extension movements) • Deep femoral condyles (permits extensive range of flexion/extension) • Foot • Large hallux • Great cleft between hallux and 4 lateral digits (strong grasping foot) • Possibly regarded as the earliest locomotor specialization of primates and therefore preadaptive to some or all of the later patterns of primate locomotion

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