Unit 5 Procedure E

Question 0

Temporalis

Answer 0

Origin: temporal- temporal fossa
Insertion: mandible- coronoid process
Action: elevate mandible

Question 1

Masseter

Answer 1

Origin: temporal- zygomatic process
Insertion: mandible- angle & ramus
Action: elevate mandible

Question 2

Sternocleidomastoid

Answer 2

Origin: sternum- manubrium; clavicle- medial part
Insertion: temporal- mastoid process
Action: rotate and flex forward head

Question 3

Pectoralis major

Answer 3

Origin: clavicle; sternum; ribs(first 6)
Insertion: humerus- inter tubercular groove
Action: adduct and medially rotate arm

Question 4

Serratus anterior

Answer 4

Origin: ribs(first 8-9)- lateral part
Insertion: scapula- vertebral border, anterior surface
Action: move forward scapula

Question 5

Deltoid

Answer 5

Origin: clavicle- lateral third; scapula- acromion process and spine
Insertion: humerus- deltoid tuberosity
Action: abduct arm

Question 6

External intercostals

Answer 6

Origin: ribs- inferior border
Insertion: ribs- superior border
Action: elevate ribs

Question 7

Internal intercostals

Answer 7

Origin: ribs- inferior border
Insertion: ribs- superior border
Action: lower ribs

Question 8

React us abdominis

Answer 8

Origin: pubis- pubic crest
Insertion: ribs(5-7); sternum- diploid process
Action: vertebral column flex

Question 9

External oblique

Answer 9

Origin: ribs(last 8)- anterior surface
Insertion: ilium- iliac crest; pubis- pubic crest; linea alba
Action: flex vertebral column

Question 10

Internal oblique

Answer 10

Origin: ilium- iliac crest; lymbodorsal fascia
Insertion: pubis- pubic crest; ribs(last 3); linea alba
Action: flex vertebral column

Question 11

Transversus abdominis

Answer 11

Origin: ilium- iliac crest; lumbodorsal fascia
Insertion: pubis- pubic crest; linea alba
Action: compress abdomen

Question 12

Trapezius

Answer 12

Origin: occipital; vertebrae(c7, all thoracic)- spinous processes
Insertion: scapula- acromion process and spine; clavicle
Action: extend head, adduct scapula

Question 13

Latissimus dorsi

Answer 13

Origin: vertebrae(last 6 thoracic, all lumbar)- spinous processes; ilium- iliac crest
Insertion: humerous- inter tubercular groove
Action: extend, medially rotate, adduct arm

Question 14

Triceps brachii

Answer 14

Origin: scapula- glenoid fossa, inferior edge(long head); humerus- proximal, lateral surface(lateral head); humerus- posterior surface(medial head)
Insertion: ulna- olecranon process
Action: extend forearm

Question 15

Biceps brachii

Answer 15

Origin: scapula- coracoid process(short head); scapula- superior edge of glenoid fossa(long head)
Insertion: radius- radial tuberosity
Action: flex arm and forearm; supinate hand

Question 16

Brachioradialis

Answer 16

Origin: humerus lateral ridge at distal end
Insertion: radius- styloid process
Action: flex forearm

Question 17

Brachialis

Answer 17

Origin: humerus- anterior surface, distal half
Insertion: ulna- coronoid process
Action: flex forearm

Question 18

Gluteus Maximus

Answer 18

Origin: ilium- posterior, outer surface; sacrum- posterior surface; coccyx- posterior surface
Insertion: femur- gluteal tuberosity
Action: extend and laterally rotate thigh

Question 19

Gluteus medius

Answer 19

Origin: ilium- outer surface
Insertion: femur- greater trochanter
Action: abduct and medially rotate thigh

Question 20

Tensor fascia lata

Answer 20

Origin: ilium- anterior surface of iliac crest near anterior superior iliac spine
Insertion: fascia lata(broad fascia) fascia enclosing all the muscles of the thigh attaches to the gluteal tuberosity of the femur
Action: flex, abduct, and medially rotate thigh

Question 21

Gracilis

Answer 21

Origin: pubis- inferior ramus
Insertion: tibia- medial surface of head
Action: adduct thigh; flex and medially rotate leg

Question 22

Sartorius

Answer 22

Origin: ilium- anterior superior iliac spine
Insertion: tibia- medial aspect of proximal end
Action: flex and laterally rotate thigh, flex leg

Question 23

Biceps femoris

Answer 23

Origin: ischium- ischial tuberosity(long head); femur- posterior surface of shaft(short head)
Insertion: fibula- head
Action: extend and adduct hip; laterally rotate thigh; flex leg

Question 24

Semitendinosus

Answer 24

Origin: ischium- ischial tuberosity
Insertion: tibia- medial shaft
Action: extend thigh; flex leg

Question 25

Semimembranosus

Answer 25

Origin: ischium- ischial tuberosity
Insertion: tibia- medial condyle
Action: extend thigh; flex leg

Question 26

Rectus femoris

Answer 26

Origin: ilium- anterior inferior iliac spine and superior edge of acetabulum
Insertion: tibia- tibial tuberosity
Action: extend leg; flex thigh

Question 27

Vastus lateralis

Answer 27

Origin: femur- proximal shaft below greater trochanter, and linea aspera
Insertion: tibia- tibial tuberosity
Action: extend leg

Question 28

Vastus medialis

Answer 28

Origin: femur- linea aspera
Insertion: tibia- tibial tuberosity
Action: extend leg

Question 29

Gastrocnemius

Answer 29

Origin: femur- medial and lateral condyles
Insertion: calcaneus- via Achilles tendon
Action: flex leg; plantarflex foot

Question 30

Soleus

Answer 30

Origin: tibia- proximal; fibula- proximal
Insertion: calcaneus- via Achilles’ tendon
Action: plantarflex foot

Question 31

Tibialis anterior

Answer 31

Origin: tibia- upper 2/3, lateral condyle
Insertion: tarsal; metatarsal
Action: dorsiflex foot