Upper Extremity
Elbow Osteology, Ligaments, Muscles, Vessels
Presentation

Brachial Plexus
Midsemester Survey


Level of performance compared to effort:

Thieme term lists need combing through

Other thoughts on discrepancy in lab?
Teaching strategies

Reduce lecture time

Disorders and dysfunctions?

Essays

Instructional materials?

Clarity in assignments?

Fairness in evaluation?

Clicker questions vs. quizzes in lecture
Upper Extremity Fascia
Anterior Shoulder
Posterior Shoulder
Arm Muscles

Anterior:


Biceps Brachii

Short head

Long head (2 joint)

Brachialis

Coracobrachialis
Posterior:

Triceps

Lateral head

Long head (2 joint)

Medial head
Arm Muscles Task

Compare and contrast actions
around joints:

Coracobrachialis and short head
of biceps

Long head of biceps and long
head of triceps

Brachialis and lateral and
medial heads of triceps

Brachialis and deltoid

Short head and long head of
biceps

Biceps and brachialis

Triceps and anconeus
Coracobrachialis is cool because it does
NOT…
id
m
th
e
to
ch
at
ta
nt
s
jo
i
of
dl
e
fle
de
r
sh
ou
l
h
cr
os
s2
. ..
...
xio
p.
..
d
oi
bo
t
cross 2 joints
ra
c
D.
co
attach to the middle of the
humerus
do
C.
th
e
do both shoulder flexion
and horizontal adduction
to
B.
25% 25% 25% 25%
ch
attach to the coracoid
process
at
ta
A.
The long head of biceps attaches more
proximally on the humerus than the
coracobrachialis.
False
se
B.
50%
Fa
l
True
Tr
A.
ue
50%
The long head of biceps is to the long head of
triceps as the ____________ is to the lateral
and medial heads of triceps.
25% 25% 25% 25%
Sh
or
t
An
co
ne
us
he
ad
of
bi
ce
ps
ch
ia
lis
D.
Co
ra
co
br
a
C.
lis
B.
Brachialis
Coracobrachialis
Short head of biceps
Anconeus
Br
ac
hi
a
A.
Clinical Relevance

Biceps tendinitis

Rupture of tendon of long head of biceps

Bicipital myotatic reflex
Clinical Relevance

Injury to musculocutaneous nerve

Injury to radial nerve

https://www.youtube.com/watch?v=kODPvHYNvlU
Your patient heard a “snap” and presents
with a popeye deformity. What happened?
The short head of biceps
tendon ruptured
B. The long head of biceps
tendon ruptured
C. The brachialis insertion
ruptured
D. The musculocutaneous
nerve was injured
A.
in
se
rti
on
us
cu
ru
lo
pt
cu
ur
ta
ed
ne
ou
sn
er
ve
w
a.
..
...
en
do
n
ps
t
Th
e
m
br
ac
hi
al
is
Th
e
of
bi
ce
he
ad
lo
ng
Th
e
Th
e
sh
or
th
ea
d
of
bi
ce
ps
te
nd
on
...
25% 25% 25% 25%
Elbow Osteology and Ligaments

break
Ulna & Elbow Joint
Clinical Relevance

Bursitis of elbow

Dislocation of the elbow
Clinical
Relevance
Your friend’s daughter shrieks after her older
brother pulled her arm and holds the elbow
flexed and pronated protectively. What
25%
should you do?
el
bo
w
el
bo
w
xt
he
fle
an
d
Pr
on
at
e
an
d
Pr
on
at
e
an
d
fle
x
ex
te
nd
th
e
th
e
el
bo
w
...
th
is
i
l–
Su
pi
na
te
ho
sp
ita
th
e
D.
to
C.
gh
er
B.
Bring her to the hospital –
this is a very serious injury
Supinate and flex the elbow
Pronate and extend the
elbow
Pronate and flex the elbow
Br
in
A.
25% 25% 25%
Conclusion

Wednesday

Elbow biomechanics

Forearm muscles

Wrist and hand osteology