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Flashcards in A&P Muscular System Lab Deck (27):
1

What are the Muscle of Facial Expression?

Frontalis, Occipitalis, Orbicularis oris, Orbicularis oculi, Depressor anguli oris, Depressor labii inferioris, Mentalis, Zygomaticus major, Zygomaticus minor

2

What are the Muscle of Mastication?

Masseter, Temporalis

3

What are the Muscle of the Anterolateral Neck?

Sternocleidomastoid, Digastric, Omohyoid, Sternohyoid

4

What are the Muscle of the Thorax and Shoulder?

Pectoralis major, Pectoralis minor, Deltoid, Latissimus dorsi, Trapezius, Supraspinatus, Infraspinatus, Rhomboid major, Rhomboid minor

5

What are the Muscles of the Arm?

Triceps brachii, Biceps brachii, Brachialis, Coracobrachialis

6

What are the Muscles in the Anterior Compartment of the Antebrachium (Forearm)

Brachioradialis, Palmaris longus, Flexor carpi radialis, Flexor carpi ulnaris, Flexor digitorum superficialis, Flexor pollicis longus, Flexor digitorum profundus

7

What are the muscles in the Posterior Compartment of the Antebrachium (Forearm)

Extensor carpi ulnaris, Extensor digitorum, Extensor pollicis longus, Abductor pollicis longus, Extensor indicis

8

What are the Muscles of the Abdominal Wall?

Rectus abdominus, Transversus abdominus, External oblique, Internal oblique

9

What are the muscles in the Anterior Compartment of the Thigh?

Sartorious, Rectus femoris, Vastus lateralis, Vastus medialis, Vastus intermedius

10

What muscles make the Quadriceps Femoris group?

Rectus Femoris, Vastus lateralis, Vastus medialis, Vastus intermedius

11

What are the Muscles in the Medial Compartment of the Thigh?

Gracilis, Adductor Magnus, Adductor Longus, Pectineus

12

What are the Muscles in the Posterior Compartment of the Thigh?

Gluteus maximus, Gluteus medius, Biceps femoris, Semitendinosus, Semimembranosus

13

What Muscles make the Hamstrings group?

Biceps femoris, Semitendinosus, Semimembranosus

14

What are the Muscles in the Posterior Compartment of the Leg?

Gastrocnemius, Soleus, Tibialis posterior, Flexor digitorum longus, Flexor hallucis longus

15

What are the Muscles in the Anterior Compartment of the Leg?

Tibalis anterior, Extensor digitorum longus, Fibularis longus

16

Name the Origin, Insertion and Function of one Muscle of Facial Expression

Zygomaticus minor
Origin:Zygomatic Bone
Insertion: Muscles of the upper lip
Function: Elevates upper lip, exposes teeth in smiling or sneering.

17

Name the Origin, Insertion and Function of one Muscle of Mastication

Masseter
Origin: Zygomatic Arch
Insertion: Lateral surface of the mandibular angle and ramus.
Function: Elevation of the mandible. Smaller roles in protraction, retraction, and lateral/medial excursion.

18

Name the Origin, Insertion and Function of one Muscle in the Anerolateral Neck

Omohyoid
Origin: Superior border of Scapula
Insertion: Hyoid bone
Function: Depresses hyoid after it has been elevated.

19

Name the Origin, Insertion and Function of one Muscle of the Thorax/Shoulder

Infraspinatus
Origin: Infraspinous fossa of Scapula
Insertion: Greater tubercle of humerous.
Function: Modulates action of deltoid preventing humeral head from sliding upwards as arm is abducted, rotates humerous laterally.

20

Name the Origin, Insertion and Function of one Muscle in the Arm

Brachialis
Origin: Anterior surface of distal half of humerous.
Insertion: Coronoid process and tuberosity of ulna
Function: Prime mover of elbow flexion.

21

Name the Origin, Insertion and Function of one Muscle in the Anterior Compartment of the Antebrachium

Flexor pollicis longus
Origin: Radius, interosseous membrane
Insertion: Distal phalanx I
Function: Flexes phalanges of thumb

22

Name the Origin, Insertion and Function of one Muscle in the Posterior Compartment of the Antebrachium

Extensor indicis
Origin: Posterior surface of ulna, interosseous membrane
Insertion: Middle and distal phalanges of index finger
Function: Extends wrist and Index finger.

23

Name the Origin, Insertion and Function of one Muscle in the Anterior Compartment of the Thigh

Sartorius
Origin: On and near anterior superior spine of ilium.
Insertion: Medial surface of proximal end of tibia.
Function: Aids in knee and hip flexion, as in sitting or climbing; abducts and laterally rotates thigh.

24

Name the Origin, Insertion and Function of one Muscle in the Medial Compartment of the Thigh

Pectineus
Origin: Superior ramus of Pubis
Insertion: Spiral line of Femur
Function: Flexes and Adducts thigh.

25

Name the Origin, Insertion and Function of one Muscle of the Posterior Compartment of the Thigh

Semitendinosus
Origin: Ischial tuberosity
Insertion: Medial surface of upper tibia
Function: Flexes knee; medially rotates tibia on femur when knee is flexed; medially rotates femur when hip is extended; counteracts forward bending at hips.

26

Name the Origin, Insertion and Function of one Muscle of the Posterior Compartment of the Leg

Flexor digitorum longus
Origin: Posterior surface of tibial shaft
Insertion: Distal phalanges II-V
Function: Flexes phalanges of digits II-V as foot is raised from ground; stabilizes metatarsal heads and keeps distal pads of toes in contact with ground in toe off and tip toe movements.

27

Name the Origin, Insertion and Function of one Muscle of the Anterior Compartment of the Leg

Fibularis longus
Origin: Head and lateral surface of proximal two-thirds of fibula
Insertion: Medial cuneiform; Metatarsal I
Function: Maintains concavity of sole during toe-off and tiptoeing; everts and plantar flexes foot.