appendicular A, O, I

Question 1

A: superior fibers of the Trapezius

Answer 1

elevate & superiorly rotate scapula

Question 2

A: middle fibers of the Trapezius

Answer 2

retract scapula

Question 3

A: inferior fibers of Trapezius

Answer 3

depress scapula

Question 4

A: Trapezius

Answer 4

superior fibers: elevate & superiorly rotate scapula
middle fibers: retract scapula
inferior fibers: depress scapula

Question 5

O: Trapezius

Answer 5

occipital bone (superior nuchal line)
ligamentum nuchae
spinous processes c7 - T12

Question 6

I: Trapezius

Answer 6

clavicle

acromion & spine of scapula

Question 7

A: latissimus dorsi

Answer 7

agonist of arm extension
adducts & medially rotates arm
(“swimmers arm”)

Question 8

I: latissimus dorsi

Answer 8

intertubercular sulucus of humerus

Question 9

O: latissimus dorsi

Answer 9

spinous processes T7 - T12
ribs 8 - 12
iliac crest
thoracolumbar fascia

Question 10

A: anterior fibers of deltoid

Answer 10

flex & medially rotate arm

Question 11

A: middle fibers of Deltoid

Answer 11

agonist of arm abducting

Question 12

A: posterior fibers of Deltoid

Answer 12

extend & laterally rotate arm

Question 13

A: Deltoid

Answer 13

Anterior fibers: flex & medially rotate arm
middle fibers: agonist of arm abducting
posterior fibers: extend & laterally rotate arm

Question 14

O: Deltoid

Answer 14

acromial end of clavicle

acromion & spine of scapula

Question 15

I: Deltoid

Answer 15

deltoid tuberosity of humerus

Question 16

A: pectoralis major

Answer 16

agonist of arm flexion
adducts & medially rotates arm
horizontal adduction of arm

Question 17

I: pectoralis major

Answer 17

lateral part of intertubercular sulcus of humerus

Question 18

O: pectoralis major

Answer 18

medial clavicle
costal cartilages of ribs 2 - 6
body of sternum

Question 19

A: biceps brachii

Answer 19

flexes forearm
powerful supinator of forearm
long head flexes arm

Question 20

A: long head of Biceps Brachii

Answer 20

flexes arm

Question 21

I: biceps brachii

Answer 21

radial tuberosity

bicipital aponeurosis

Question 22

O: long head of biceps brachii

Answer 22

supraglenoid tubercle of scapula

Question 23

O: short head of biceps brachii

Answer 23

coracoid process of scapula

Question 24

A: psoas major

Answer 24

flexes thigh

Question 25

O: psoas major

Answer 25

transverse processes & bodies of T12 - L5 vertebrae

Question 26

I: psoas major

Answer 26

lesser trochanter of femur with iliacus

Question 27

A: iliacus

Answer 27

flexes thigh

Question 28

I: Iliacus

Answer 28

lesser trochanter of femur with psoas major

Question 29

O: Iliacus

Answer 29

iliac fossa

Question 30

what is Iliopsoas?

Answer 30

Iliacus & psoas major together

Question 31

A: gluteus maximus

Answer 31

extends thigh

laterally rotates thigh

Question 32

O: gluteus maximus

Answer 32

iliac crest
scarum
coccyx

Question 33

I: gluteus maximus

Answer 33

Iliotibial tract of fascia lata

linea aspera & gluteal tuberosity of Femur

Question 34

A: rectus femoris

Answer 34

flexes thigh

extends leg

Question 35

I: rectus femoris

Answer 35

quadriceps tendon to patella

patellar ligament to tibial tuberosity

Question 36

O: rectus femoris

Answer 36

anterior inferior iliac spine

Question 37

A: tibialis anterior

Answer 37

dorsiflexes the foot

inverts foot

Question 38

O: tibialis anterior

Answer 38

lateral condyle
proximal shaft of tibia
interosseous membrane

Question 39

I: tibialis anterior

Answer 39

metatarsal 1 & 1st cuneiform

Question 40

A: gastrocnemius

Answer 40

flexes leg

planta flexes foot

Question 41

I: gastrocnemius

Answer 41

calcaneus (via calcaneal tendon)

Question 42

O: gastrocnemius

Answer 42

superior posterior surface of lateral & medial condyles of femur