questions homework
1. Describe in your own words the anatomy of a muscle. This should include from the muscle down to the myofibrils.
2. Explain in your own words how an action potential results in a muscle contraction.
3. List and describe in your own words the characteristics of skeletal muscle (aka the abilities that a skeletal muscle has).
4. Muscle Tissue: Describe the appearance of the three types of muscle tissue.
a. Skeletal muscle:
b. Cardiac muscle:
c. Smooth muscle:
5. Muscle Anatomy: Put the structures in anatomical order from superficial to deep.
Sarcolemma
Perimysium
Endomysium
Epimysium
6. Muscle Identification: Palpate or locate each of the following muscles and list its origin, insertion, and action.
a. Masseter
b. Upper, middle, and lower trapezius
c. Sternocleidomastoid
d. Temporalis
e. Occipitofrontalis
f. Erector spinae
g. Scalenes
h. External/internal intercostalis
i. Rectus abdominis
j. External/internal oblique
k. Transverse abdominis
l. Rhomboids
m. Serratus anterior
n. Pectoralis major and minor
o. Teres major and minor
p. Latissimius Dorsi
q. Infraspinatus
r. Suprasinatus
s. Subscapularis
t. Deltoid
u. Triceps brachii
v. Biceps brachii
w. Brachialis
x. Brachioradialis
y. Wrist and finger flexors
z. Wrist and finger extensors
aa. Iliopsoas
bb. Tensor fasciae latae
cc. Gluteus maximus
dd. Gluteus medius
ee. Quadriceps
ff. Hamstrings
gg. Sartorius
hh. Adductor longus
ii. Gracilis
jj. Tibialis anterior
kk. Gastrocnemius
ll. Soleus
mm. Peroneals