Transcript Day 10 Limb muscles - Liberty Hill High School

LIMB MUSCLES
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Limb muscles
Muscles of the limb function in:
1. movement
2. grasping
3. balance
Color Key:
Purple: Muscles that move the upper arm
Orange: Muscles that move the forearm
Brown: Muscles that move the hand
Anterior
superficial
muscles of
the shoulder
and arm
Posterior
superficial
muscles of
the arm
14
Extensor digiti
minimi
4. Name 2 muscles that are synergists to the
biceps brachii.
Brachialis and Brachioradialis
5. How did the triceps brachii get its name?
It has 3 origins
It is an arm muscle
6. What is the action of the anterior forearm
muscles?
Flexion of the hand
7. What is the action of the posterior forearm
muscles?
Extension of the hand
Click on the picture to watch a tutorial on
arm muscles
Find the muscles on your body.
Word Bank: Biceps brachii, Deltoid, Extensor digitorum,
Extensor carpi radialis longus,Triceps brachii,
Word Bank: Brachioradialis, Extensor carpi ulnaris,
Extensor digitorum, Flexor carpi ulnaris
Word Bank: Brachioradialis, Flexor carpi radialis,
Flexor carpi ulnaris, Palmaris longus
Color Key:
Teal: moves the thigh
Gray: moves the lower leg
Pink: moves the foot
Anterior
superficial
muscles of
the leg
8. Which muscle do
you think is
associated with a
pulled groin?
9. Why do you think
there is an * next to
numbers 8, 9,10?
Part of the
quadriceps group
(vastus intermedius
not shown.)
Posterior
superficial
muscles of
the leg
10. What is special about
the gluteus maximus?
It is the largest muscle of
the body.
11. Why is there an * next
to numbers 18,19 and
20?
They belong to the
hamstring group.
12. What is the longest muscle of the body
and shown on the anterior leg diagram?
Sartorius
13. How did the vastus lateralis get its name?
Size- large, direction- side
14. If the iliacus and psoas major flex the leg,
are they antagonists or synergists?
Synergists
15. Does the adductor longus move the leg
laterally or medially?
medially
Click on the picture to watch a tutorial on leg
muscles
Find the muscles on your body
Word Bank: Biceps femoris, Fibularis longus,
Gastrocnemius, Soleus, Vastus lateralis,
Word Bank: Gastrocnemius, Gracilis, Rectus femoris,
Tibialis anterior, Vastus lateralis, Vastus medialis,
Key
Purple- move upper arm
Orange- Move the forearm
Light brown- flex the hand
Dark brown- extend the hand
A Deltoid
B Pectoralis major
C Biceps brachii
D Corocobrachialis
E Triceps brachii
F Brachialis
G Brachioradialis
H Flexor carpi radialis
I Palmaris longus
J Flexor carpi unlaris
K Extensor carpi radialis longus
L Anconeus
M Extensor digitorum
N Extensor digiti minimi
O Extensor carpi ulnaris
Color Key:
Teal moves the thigh
Gray moves lower leg
Pink moves the foot
A Vastus lateralis
B Gracilis
C Adductor Longus
D Sartorius
E Rectus femoris
F Vastus medialis
G Fibularis (Peroneus) longus
H Gastrocnemius
I Tibialis Anterior
J Soleus
K Gluteus maximus
L Adductor magnus
M Semitendinosus
N Biceps femoris
O Gracilis
P Semimembranosus
Q Gastrocnemius
R Soleus
S Flexor digitorum longus