Lab exercise 7.2 anthropology

1. Contact: Daveson700@gmail.com
Lab Exercise 7.2
Station 1
“Sexing” Skull Features Results
Feature Skull 1 Skull 2
Overall skull size F M
Overall skull
robusticity
F M
Shape of forehead
(sloping/rounded,
bulging)
F M
Supraorbital ridge
(prominent?)
F M
Orbital shape (more
squared/more
rounded)
F M
Orbital margins
(especially upper)
(rounded/sharper)
F M
Mastoid process size F M
Extension of
zygomatic arch
posteriorly past
external auditory
meatus (prominent?)
F M
Nuchal area and
occipital
protuberance
(rugosity)
F M

2. Chin shape
(squared/rounded or
v-shaped)
F M
Mandibular ramus
(more vertical/more
sloping)
F M
Total number of Ms 0 11
Total number of Fs 11 0
Sex designation F M
Station 2
“Sexing” Pelvis Feature Results
Feature Pelvis 1 Pelvis 2
Overall size and
robusticity
F M
Sub-pubic arch angle
(narrow/wide)
F M
Pubic symphysis (tall
and narrow/short and
broad)
F M
Pelvic inlet
(narrow/broad)
F M
Greater sciatic notch
(narrow/wide)
F M
Preauricular sulcus
(present/absent)
F M
Ventral arc
(present/absent)
F M
Total number of Ms 0 7
Total number of Fs 7 0

3. Sex designation F M
Station 3
Measure the diameter of a humeral head as shown, and record it in the table below. Observe and
note the size and rugosity of muscle markings (e.g., deltoid tuberosity). For this exercise, assume
European ancestry.
“Sexing” Humeral Features
Results
Humerus 1 Humerus 2
Humeral Head Diameter 42.1 mm 43.0 mm
Describe muscle markings
()pronounced
Not pronounced Not pronounced
Most Likely sex (M, F or U) Probable female Possible female
Measure the diameter of a femoral head as shown, and record it in the table below. Observe and
note the size and rugosity of muscle markings (e.g., linea aspera). Again, assume European
ancestry.
“Sexing” Femoral Features
Results
Femur 1 Femur 2
Femoral head diameter 48.0 mm 47.2 mm
Describe muscle marking
(pronounced )
Pronounced Pronounced
Most likely sex (M,F, or U) Probable Male Possible male