HLTH603: Gross Human Anatomy
Lower Extremity Pre-laboratory
Summer 2013
Anterior
On the diagrams above, label the following muscles:
1.
Sartorius
2.
Iliacus
3.
Rectus femoris
4.
Adductor longus
5.
Gracilis
6.
Vastus medialis
7.
Adductor longus
8.
Psoas major
9.
Gluteus maximus
10.
Gluteus medius
11.
Gastrocnemius
12.
Tensor fascia lata
13.
Semimembranosis
14.
Semitendinosis
15.
Biceps femoris
16.
Iliotibial band
Posterior
Anterior
Identify the following muscles on the diagram above:
1.
Gastrocnemius
2.
Soleus
3.
Tibialis anterior
4.
Peroneus longus
5.
Extensor digitorium
6.
Achilles tendon (yes, I know it is not a muscle)
7.
Biceps femoris
8.
Semitendinosis
Posterior
Anterior
On the diagrams above, label the following muscles/structures:
1.
Vastus medialis
2.
Vastus lateralis
3.
Rectus femoris
4.
Patella
5.
Gastrocnemius
6.
Soleus
7.
Peroneus longus
8.
Achilles tendon
9.
Patellar tendon
10.
Tendon of peroneus longus/brevis
Lateral
Actions of the Lower Extremity
List the actions associated with each of the following joints:
Joint
Actions
Hip
Knee
Ankle
Arteries of the Lower Extremity
Palpate the following arteries on a partner:
1.
Femoral
2.
Popliteal
3.
Posterior tibial
4.
Dorsal pedal
On the diagram above, label the following arteries:
1.
Femoral
2.
Profunda (Deep femoral)
3.
Lateral circumflex
4.
Medial circumflex
5.
Popliteal
6.
Posterior tibial
7.
Anterior tibial
In the following diagram, color the external iliac artery in red, femoral artery in green,
profunda femoris artery in blue, medial femoral circumflex artery black, lateral femoral
circumflex artery in orange, descending branch of lateral circumflex in brown, popliteal
artery in purple and the anterior tibial artery in mauve. Of course, if you don’t have these
colors, choose your favorites.
Nerves of the Lower Extremity
What the two main divisions of the sciatic nerve? What regions/muscles do these
divisions innervate?
Define dermatome. What is the dermatome distribution for L4? What is the dermatome
distribution for S1?
Define myotome. What test would you perform to test the L3 myotome? What test
would you perform to test the L5 myotome?
Using your text (or some other Human Anatomy text) and using general terminology, fill
in the chart below with the origin, insertion and action of the following lower extremity
muscles
Muscle
Iliopsoas
Sartorius
Adductor magnus
Adductor longus
Adductor brevis
Pectineus
Gracilis
Rectus femoris
Vastus lateralis,
intermedius,
medialis
Tensor fascia lata
Gluteus maximus
Gluteus medius
Piriformis
Semimembranosus
Semitendinosus
Biceps femoris
Gastrocnemius
Soleus
Extensor digitorum
longus
Plantaris
Origin
Insertion
Action
Popliteus
Tibialis anterior
Extensor hallucis
longus
Fibularis (peroneus)
longus
Fibularis (peroneus)
brevis
Flexor digitorum
longus
Flexor hallucis
longus
From the list of muscles above, list all muscles which complete the following joint
movements:
Joint movement
Hip extension
Knee extension
Ankle dorsiflexion
Hip abduction
Ankle eversion
Muscles
Great toe flexion
2-4 toe flexion
Great toe extension
2-4 toe extension