muscles

Question 1

serratus anterior

Answer 1

o - thorax, 1-9 rib
i - scapula
a - abduction + upwards rotation

Question 2

trapezius

Answer 2

o - occipital bone
i - acromial end of clavicle

upper
i - upper part of scapula
a - NECK (extension + ipsilateral flexion + contralateral rotation)

middle
a - helps lower trapezius in adduction of scapula + upward rotation of scapula

lower
a - downward rotation + adduction + depression of scapula

Question 3

rhomboid major + minor

Answer 3

o - spinous processes of vertebral bodies + first thoracic vertebral bodies
i - scapula
a - downward rotation + adduction + elevation of scapula

Question 4

pectoralis minor

Answer 4

o - 2-5 rib
i - coracoid process of scapula
a - depression fo scapula + small anterior tilt of scapula + helps intercostal muscles elevate ribs

Question 5

levator scapulae

Answer 5

o - upper cerval vertebrae
i - cervical VB
a - elevation + downward rotation of scapula
NECK - ipsilateral flexion + rotation

Question 6

deltoid

Answer 6

o - around proper shoulder joint + acromial clavicular joint
i - deltoid tuberosity of humerus

anterior deltoid
a - flexion + abduction of glenohumeral joint

posterior + middle deltoid
a - extension + abduction of glenohumeral joint

Question 7

supraspinatus

Answer 7

o - supraspinous fossa of scapula
i - humerus
a - abduction of glenohumeral joint

Question 8

infraspinatus

Answer 8

o - infraspinous fossa of scapula
i - greater tuberosity
a - external rotation of glenohumeral joint

Question 9

teres minor

Answer 9

o - scapula
i - greater tuberosity
a - helps infraspinatus in external rotation of glenohumeral joint

Question 10

subscapularis

Answer 10

o - subscapular fossa
i - lesser tuberosity of humerus
a - internal rotation of glenohumeral joint
helps with adduction + flexion + extension of glenohumeral joint

Question 11

tires major

Answer 11

o - inferior side of scapula
i - inner part of humerus
a - internal rotation + adduction + extension of glenohumeral joint

Question 12

pectoralis major

Answer 12

o - clavicle + sternum + 2-7 rib
i - proximal humerus
a - adduction + internal rotation of glenohumeral joint

Question 13

latissimus dorsi

Answer 13

o - all spinous processes of distal part of thoracic VB + iliac crest + sacrum
i - inner humerus
a - internal rotation + extension + adduction of glenohumeral joint

Question 14

brachialis

Answer 14

o - lower half of humerus
i - brachial tuberosity of ulna
a - flex elbow

Question 15

bracho-radialis

Answer 15

o - humerus
i - radius (styloid process)
a - flexes elbow + prono-supination movements

Question 16

biceps brachii

Answer 16

o - supraglenoid tubercles of scapula
i -radial tuberosity
a - main flexor and supinator of elbow

Question 17

triceps brachii

Answer 17

i - olecranon process of ulna

medial head
o - posterior mid shaft of humerus

lateral head
o - lateral border of humerus

long head
o - inferior part of glenoid cavity

Question 18

supinator

Answer 18

o - humerus + supinator fossa of ulna
i - radius
a - unwinds radius on ulna

Question 19

pronator quadratus

Answer 19

o - ulna
i - radius
a - unwinds + pronates forearm at radioulnar joints

Question 20

pronator teres

Answer 20

o - humerus
i - mid shaft of radius
a - when contracted, brings radius over ulna

Question 21

abductor pollicis brevis

Answer 21

o - scaphoid + trapezium
i - lateral phalanx (thumb)
a - palmar pronation

Question 22

flexor pollicis brevis

Answer 22

o - trapezium
i - base of thumb
a - thumb flexion

Question 24

ileopsas

Answer 24

psoas major
o - sides of T12-L5
i - lesser trochanter of femur

psoas minor
o - sides of T12-L1
i - pectineal line

iliacus
o - iliac crest + iliac fossa + ala of sacrum
i - tendon of psoas major + lesser trochanter + proximal shaft of femur

Question 25

sartorius

Answer 25

o - anterior superior iliac crest i - proximal side of tibia a - hip + knee joint

Question 26

quadriceps femoris

Answer 26

rectus femoris o - anterior inferior iliac spine vastus lateralis o - greater trochanter on femur vastus medialis o - intertrochanteric line on femur vastus intermedius o - mid shaft of fetus i - superior part of patella

Question 27

adductor brevis

Answer 27

o - body and inferior ramus of pubis i - femur a - adductor of thigh + helps flex thigh

Question 28

adductor longus

Answer 28

o - body of pubis inferior i - pubic crest + femur a - adducts hip + flex thigh + lateral rotation of hip joint

Question 29

gracilis muscle

Answer 29

o - body + inferior ramus of pubis i - close to sartorius a - adduction + flexion of hip

Question 30

obturator externus

Answer 30

o - obturator foramen i - trochanteric fossa of femur a - rotates hip + stabilizes head of femur

Question 31

gluteus maximus

Answer 31

o - posterior part of ileum i - iliotibial tract + gluteal tuberosity of the femur a - extension of hip + trunk + lateral rotation of hip + helps stand from sitting

Question 32

gluteus medius

Answer 32

o - iliac crest i - greater trochanter of femur a - abductor + extensor

Question 33

gluteus minimus

Answer 33

o - external surface of ilium i - greater trochanter femur a - abduction + extension of hip joint + stabilizes pelvis

Question 34

tensor fasciae latae

Answer 34

o - anterior superior iliac spine i - iliotibial tract a - abduction + medial rotation + helps stabilize pelvis

Question 35

pisiformis

Answer 35

o - sacrum i - greater trochanter of femur a - rotates hip + helps abduction thigh + stabilizes head of femur

Question 36

obturator internus

Answer 36

o - pelvic surface of femur i - medial surface of the greater trochanter of the femur a - rotation of thigh by abduction

Question 37

superior + inferior gemelli

Answer 37

i - greater trochanter of femur a - laterally rotate extended hip joint + abduct flexed thigh superior o - ischial spine inferior o - ischial tuberosity

Question 38

quadratus femoris

Answer 38

o - ischial tuberosity i - posterior part of intertrochnateric line a - laterally rotates hip joint + stabilizes femoral head in acetabulum

Question 39

semitendinosus

Answer 39

o - ischial tuberosity i - tibia a - extensor of hip when knee is flexed

Question 40

semimembranosus

Answer 40

o - ischial tuberosity i - proximal posterior tibia a - extension of hip, medial rotation of knee

Question 41

biceps femoris

Answer 41

long head o - ischial tuberosity short head o - mid shaft of femur

Question 42

gastrocnemius

Answer 42

o - femoral condyle i - posterior surface of the calcaneus (heel bone) via the Achilles tendon a - plantarflexion of the foot at the ankle joint + flexion of the knee at the knee joint

Question 43

popliteus

Answer 43

o - lateral condyle of femur i - proximal tibia

Question 44

tibialis anterior

Answer 44

o - lateral tibial plateau i - medial cuneiform a - dorsiflexion of ankle

Question 45

extensor digitorum longus

Answer 45

o - lateral confine of tibia i - middle and distal phalanges of lateral 4 a - extension at interphalangeal joints

Question 46

fibularis longus

Answer 46

o - head of fibula i - plantar side of foot a - eversion of foot

Question 47

fibularis brevis

Answer 47

o - lateral side of 3rd distal part of fibula i - dorsal of base of V metatarsal a - eversion of foot