Central Mindanao University
University Town, Musuan, 8710 Bukidnon
Department of Biology
CHED CENTER OF EXCELLENCE
Name: __________________________________________
Score: ________
Lab Professor: ___________________________________
Date: _________
Laboratory Activity 11
Muscle Identification
1. Muscles of the Head and Neck.
a.
Label the
anterior muscles of the head.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
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b. Identify the muscles of the head and neck in this lateral view of a cadaver.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
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c. Name the muscle indicated by the following combinations of origin, insertion, and
innervation.
Origin
Manubrium of
sternum
Insertion
Thyroid cartilage of
larynx
Innervation
Ansa cervicalis
Muscle
1.
Zygomatic arch
Lateral surface of
mandible
Trigeminal nerve
2.
Sphenoid bone
Anterior surface
below mandibular
condyle
Trigeminal nerve
3
Manubrium of
sternum and medial
clavicle
Mastoid process of
temporal bone
Accessory nerve;
spinal nerves C2–C4
4.
Lateral surfaces of
mandible and
maxilla
Orbicularis oris
Facial nerve
5.
Fascia in upper chest
Lower border of
mandible and skin
around corner of
mouth
Facial nerve
6.
Temporal bone
Coronoid process
Trigeminal nerve
and anterior ramus of
mandible
7.
Spinous processes of
cervical and thoracic
vertebrae (C7–T6)
Mastoid process of
temporal bone and
occipital bone
Posterior rami of
middle cervical
nerves
8.
Styloid process of
temporal bone
Hyoid bone
Facial nerve
9.
Transverse processes
of cervical vertebrae
(C2–C6)
Ribs 1–2
Anterior rami of
spinal nerves (C3–
C8)
10.
Frontal and
maxillary bones
Skin around eye
Facial nerve
11.
Medial clavicle and
manubrium
Hyoid bone
Ansa cervicalis
12.
Zygomatic bone and
maxilla inferior to
orbit of eye
Upper lip muscles
Facial nerve
13.
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2. Muscles of the Chest, Shoulder, and Upper Limb
a. Label the deep anterior muscles of the chest.
1.
2.
3.
4.
b. Label the muscles of respiration of the posterior body wall (anterior view). The
heart and lungs are removed.
1.
2.
3.
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c. Identify the posterior muscles of the left shoulder of a cadaver. The deltoid and
trapezius muscles have been removed.
1.
2.
3.
4.
5.
6.
7.
8.
9.
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d. Identify the muscles indicated in the chest, shoulder, arm, and forearm.
1.
2.
3.
4.
5.
6.
7.
8.
9.
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e. Identify the anterior muscles of the right forearm of a cadaver.
1.
2.
3.
4.
5.
6.
7.
8.
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f. Label these muscles that appear as body surface features in these photographs (a,
b, and c).
a.
b.
c.
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1.
2.
3.
4.
a
5.
6.
7.
8.
1.
2.
3.
b.
4.
5.
6.
1.
2.
3.
c.
4.
5.
6.
7.
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c. Name the muscle indicated by the following combinations of origin, insertion, and
innervation.
Origin
Spinous processes of
thoracic
vertebrae
Lateral surfaces of
most ribs
Sternal ends of ribs
3–5bone
Insertion
Medial border of
scapula
Innervation
Posterior scapular
nerve
Muscle
1.
Medial border of
scapula
Coracoid process of
scapula
Long thoracic nerve
2.
Medial and lateral
pectoral nerves
3
Coracoid process of
scapula
Shaft of humerus
Musculocutaneous
nerve
4.
Lateral border of
scapula
Intertubercular
sulcus of humerus
Lower subscapular
nerve
5.
Subscapular fossa of
scapula
Lesser tubercle of
humerus
Upper and lower
subscapular nerves
6.
Lateral border of
scapula
Greater tubercle of
humerus
Axillary nerve
7.
Distal anterior shaft
of humerus
Coronoid process of
ulna
Musculocutaneous
nerve; radial nerve
8.
Medial epicondyle
of humerus
Anterior radius and
interosseous
membrane
Palmar aponeurosis
Median nerve
9.
Distal phalanx of
thumb
Median nerve
10.
Posterior ulna and
interosseous
membrane
Clavicle and spine
and acromion of
scapula
Ribs 7–12 and
xiphoid process
Middle and distal
Radial nerve
phalanges of finger 2
11.
Deltoid tuberosity of
humerus
Axillary nerve
12.
Central tendon
Phrenic nerves
13.
Superior border of
inferior rib
Inferior border of
superior rib
Intercostal nerves
14.
10 | P a g e
3. Muscles of the Vertebral Column, Abdominal Wall, and Pelvic Floor
a. Label the deep back muscles of a cadaver.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
b. Label
the muscles
11 | P a g e
showing the abdominal wall.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
12 | P a g e
c. Label the muscles of the pelvic floor.
1.
2.
3.
4.
13 | P a g e
5.
6.
7.
8.
9.
10.
11.
4. Muscles of the Hip and Lower Limb
a. Label the right anterior muscles of the hip and the thigh.
1.
2.
3.
b.
L
abel
4.
the
righ
5.
t
post
erio 6.
r
7.
hip
and
8.
thig
h
9.
mus
cles 10.
of a
cad
11.
ave
r. The gluteus maximus has been removed.
14 | P a g e
1.
2.
3.
4.
5.
c. Label the right leg muscles of a cadaver.
15 | P a g e
1.
2.
3.
4.
5.
6.
16 | P a g e
d. Label these muscles that appear as lower limb surface features in these
photographs (a and b).
1.
a
2.
3.
1.
2.
b.
3.
4.
5
17 | P a g e
e. Name the muscle indicated by the following combinations of origin, insertion, and
innervation.
Origin
Insertion
Innervation
Muscle
Lateral surface of
ilium
Greater trochanter of Superior gluteal
femur
nerve
1.
Anterior superior
iliac spine
Medial surface of
proximal tibia
Femoral nerve
2.
Lateral and medial
condyles of femur
Calcaneus
Tibial nerve
3
Iliac crest and
anterior superior
iliac spine
Iliotibial tract
Superior gluteal
nerve
4.
Greater trochanter
and linea aspera of
femur
Patella to tibial
tuberosity
Femoral nerve
5.
Ischial tuberosity
Medial surface of
proximal tibia
Tibial nerve
6.
Linea aspera of
femur
Patella to tibial
tuberosity
Femoral nerve
7.
Posterior surface of
tibia
Distal phalanges of
four lateral toes
Tibial nerve
8.
Lateral condyle and
proximal tibia
Medial cuneiform
and first metatarsal
Deep fibular
(peroneal) nerve
9.
Ischial tuberosity
and pubis
Linea aspera of
femur
Obturator nerve;
tibial nerve
10.
Anterior sacrum
Greater trochanter of Spinal nerves L5-S2
femur
11.
18 | P a g e
5. Origin, Insertion, and Action. Complete the table based on the listed muscles.
Muscle
Origin
Insertion
Action
1. Buccinator
2. Occipitofrontalis
3. Temporalis
4. Masseter
5. Tongue muscles
6. Soft palate
7. Sternocleidomastoid
8. Trapezius
9. Deep back muscles
10. Scalenes
11. Diaphragm
12. Rectus abdominis
13. Pelvic Floor
14. Levator scapulae
15. Deltoid
16. Teres major
17. Supinator
18. Iliopsoas
19. Gluteus maximus
20. Sartorius
21. Gracilis
22. Extensor digitorum
longus
23. Tibialis anterior
24. Fibularis brevis
25. Fibularis longus
19 | P a g e