Textbook Notes (368,679)
Canada (162,066)
Anthropology (246)
ANT333Y1 (6)
Chapter 4

Chapter Four - Locomotor Adaptations Summary.docx

2 Pages
66 Views
Unlock Document

Department
Anthropology
Course
ANT333Y1
Professor
Shawn Lehman
Semester
Fall

Description
Locomotor Adaptations Pelvis  Arboreal Quadrupedalism o Femoral neck set at moderately high angle relative to shaft, enhancing abduction at hip. o Ilium is narrow and high  Terrestrial Quadrupedalism o Ilium is narrow and high  Vertical Clinging & Leaping o Ischium usually extended posteriorly rather than distally o Long ischium  Bipedalism o Ilium is broad and low o Large acetabulum due to larger femoral head o Superior border of acetabulum is reinforced to sustain pressure of bipedal walking o Inferior bored of ilium is near the auricular surface forms a greater sciatic notch o The sacrum is wide o Short iliac, broad blades o Ischium extends posteriorly o Short ischium Femur  Arboreal Quadrupedalism o Short limbs o Femoral neck set at moderately high angle relative to shaft, enhancing abduction at hip. o At knee, abduction (away from midline) of hindlimb expressed in asymmetrical size of femoral condyles & their articulating facets on top of tibia. o Femur points outward  Terrestrial Quadrupedalism o Long and straight proportional limbs  Vertical Clinging & Leaping o Short and thick Femoral Neck o Head is sometimes cylindrical in shape for simple flexion-extension movements rather than ball-&-socket o Femoral condyles are very deep o Patellar groove has pronounced lateral lip o Deep femoral condyles  Suspensory o Spherical head on highly angled femoral neck to permit extreme degrees of abduction o Broad, shallow femoral condyles and
More Less

Related notes for ANT333Y1

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit