Transcript Anthropology - NSTA Learning Center

Welcome
NSDL Online Science:
Them Bones—A Virtual Lab
Featured Experts
Dr. Lauri McInnis Thompson
(Special Thanks to
Dr. John Kappelman)
Department of Anthropology
University of Texas at Austin
http://nsdl.org
• Access to virtual specimens
• Tools to manipulate and measure
• Provides self-directed modules to
enhance your curriculum
Bone
quizzes
and bone
games
Bone Basics:
http://www.bbc.co.uk/science/humanbody
http://www.quia.com/shared/
Comparative Skull Characteristics
http://www.calacademy.org/exhibits/skulls/index.html
Test Your Skull Skill!
http://www.d91.k12.id.us/skyline/teachers/robertsd/skulls.htm
Form & Function
www.eskeletons.org
All images - eSkeletons © 2006
Teachers’ Domain:
http://www.teachers
domain.org/
Video Segments
from WGBH,
Standard-linked
Lesson Plans
Poll Question:
What access to human and/or primate bone
specimens do you have?
http://www.eSkeletons.org
Primate Locomotion
• Patterns of positional behavior
–Locomotion
–Posture
• Quadrupeds and bipeds
Photo courtesy of Nelson Guda
Fore- and Hindlimb Differences
• Forelimb
– The shoulder girdle
– The upper arm
– The lower arm
• Hindlimb
– The pelvic girdle
– The upper leg
– The lower leg
The Intermembral Index
• What is it?
• What does it tell us?
Intermembral Index = Length of Forelimb x 100
Length of Hindlimb
Gorilla gorilla
Humerus
+
Radius
=
Forelimb
Femur
+
Tibia
=
Hindlimb
Intermembral Index greater than or
less than an average of 90?
Terrestrial
Aboreal
Clingers Suspensory Biped
Quadruped Quadruped
&
Leapers
Courtesy of
John Fleagle
Photo courtesy
of Nelson Guda
Courtesy of
John Kappelman
The Intermembral Index


What is it? Forelimb/hindlimb x 100
What does it tell us
~95
~85
Terrestrial
Aboreal
Quadruped Quadruped
~70
~130
Biped
~72
Clingers/ Suspensory
Leapers
Intermembral Index
150
Intermembral Index
and Locomotor Category
120
90
60
30
0
1.5
2.5
3.5
4.5
5.5
Body Mass Log10(g)
aboreal quadruped
suspensory
terrestrial quadruped
vertical clingers and leapers
What is the Humerofemoral
Index?
Humerofemoral Index = Length of Humerus x 100
Length of Femur
Gorilla gorilla
Humerus
Femur
Which Elements to Measure
Humeral head
Humerus
the upper arm
Trochlea
Femoral head
Femur
the lower leg
Condyles
Maximum Length
Length
of
Humerus
x 100
Humerofemoral Index =
Length of Femur
Measuring Tool
www. eskeletons.org



Select a taxon
Choose a bone
Launch bone viewer
Lower left of screen
 Click measurement tool
 Left click on starting point
 Left click on ending point
Measuring Tool

Click get value
Gorilla gorilla Humerus and Femur
Note the longer humerus
Collecting Your Data
Species
Max L Max L
Humerofemoral Index
Humerus Femur (Max L Humerus/Max L Femur
x 100)
Homo
274
405
Pongo
430
330
Papio
211
242
Galago
35
60
Varecia
83
170
68
Humerofemoral Index
Humerofemoral Index
and Locomotor Category
150
120
90
60
30
0
1.5
2.5
3.5
4.5
5.5
Body Mass Log10(g)
aboreal quadruped
suspensory
terrestrial quadruped
vertical clingers and leapers
www.eskeletons.org
Coming soon:
www.eforensics.info
www.kids.eskeletons.org
www.efossils.org
Go to http://nsdl.org and click
on the K-12 audience page
• Download this seminar’s
annotated module
• Expert Voices feature with
Dr. Lauri Thompson,
Boneyard Science:
Forensics
http://expertvoices.nsdl.org
THANK YOU!
Dr. Lauri McInnis Thompson
[email protected]
Robert Payo
[email protected]