Origins And Insertions

Question 1

Pectoralis major

Answer 1

O: cartilages of ribs 2-6, sternum and clavicle
I: greater tubercle and intertubercular sulcus of humerus

Question 2

Pectoralis minor

Answer 2

O: surfaces of ribs
I: coracoid process of scapula

Question 3

Long head Triceps brachii

Answer 3

O: infraglenoid tubercule of scapula
I: olecranon of ulna

Question 4

Lateral head of triceps brachii

Answer 4

O: posterior numeral surface, above radial groove
I: olecranon of ulna

Question 5

Medial head of triceps brachii

Answer 5

O: posterior humeral surface, beloved radial groove
I: olecranon of ulna

Question 6

Short head of biceps brachii

Answer 6

O: from the coracoid process
I: radial tuberosity

Question 7

Long head of biceps brachii

Answer 7

O: supraglenoid tubercle
I: radial tuberosity

Question 8

Brachioradialis

Answer 8

O: ridge superior to the lateral epicondyle of humerus
I: lateral aspect of styloid process of radius

Question 9

Flexor Carpi radialis

Answer 9

O: medial epicondyle of humerus
I:bases of second and third metacarpals

Question 10

Flexor carpi ulnaris

Answer 10

O: medial epicondyle of humerus
I: pisiform, hamate, base of 5th metacarpal bone

Question 11

Psoas major

Answer 11

O: transverse processes of vertebrae (t12-l5)
I: lesser trochanter of the femur

Question 12

Adductor longus

Answer 12

O: inferior Ramus of pubis
I: linea aspera of femur

Question 13

Rectus femoris

Answer 13

O: anterior inferior lilac spine
I: quadriceps tendon

Question 14

Vastus lateralis

Answer 14

O: greater trochanter
I: patella by quads tendon

Question 15

Semitendinous

Answer 15

O: ischial tuberosity
I: proximal, medial surface of tibia near insertion of gracilis

Question 16

Semimembranosus

Answer 16

O: ischial tuberosity
I: posterior surface of medial condole of tibia

Question 17

Gastrocnemius

Answer 17

O: femoral condyles
I: calcaneus

Question 18

Soleus

Answer 18

O: head and proximal shaft of fibula and posteromedial shaft of tibia
I: calcaneus

Question 19

Gluteus Maximus

Answer 19

O: illiac crest, posterior gluteal line, lateral surface of ilium, sacrum, coccyx, and thoracolumbar fascia
I: iliotibial traxt and gluteal tuberosity of the femur

Question 20

Gluteus medius

Answer 20

O: anterior iliac crest, lateral surface between posterior and anterior gluteal lines
I: greater trochanter of femur

Question 21

Extensor carpi radialis longus

Answer 21

O: lateral supracondylar ridge of humerus
I: base of second metacarpal

Question 22

Extensor Carlo ulnaris

Answer 22

O: lateral epicondyle of humerus, dorsal surface of ulna
I: base of fifth metacarpal

Question 23

Rotator cuff muscles

Answer 23

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

Question 24

Latissimus Dorsi

Answer 24

O: spinous process of inferior thoracic and all lumbar vertebrae, ribs 8-12, thoracolumbar fascia
I: intertubercular groove of humerus

Question 25

Supraspinatus

Answer 25

O: supraspinatus fossa of scapula I: greater tubercle of humerus

Question 26

Teres minor

Answer 26

O: lateral border of the scapula I: greater tubercle of the humerus

Question 27

Subscapularis

Answer 27

O: subscapular fossa of scapula I: lesser tubercle of the humerus

Question 28

Trapezius

Answer 28

O: occipital bone, ligamentum nuchae, thoracic spinous processes

Question 29

Rhomboid major

Answer 29

O: spinous process of thoracic vertebrae (t2-t5) I: vertebral bored of scapula from spine to inferior angle

Question 30

Rectus abdominus

Answer 30

O: pubic symphysis, pubic crest I: xiphoid process, costal cartilages of ribs 5-7

Question 31

Masseter

Answer 31

O: zygomatic arch I: mandibular ramus

Question 32

Temporalis

Answer 32

O: along temporal lines of skull I: Coronoid process of mandible

Question 33

Sternocleidomastoid

Answer 33

O: clavicular end attached to eternal end of clavicle Sternal head attaches to manubrium I: mastoid region of the skull and superior nuchal line