Origins And Insertions

Question 1

Masseter

Answer 1

Proximal - zygomatic arch

Distal - coronoid process, angle and ramus of mandible

Question 2

Splenius capitus

Answer 2

Proximal - ligamentum nuchae of C3-C6 and spinous processes of C7-T3
Distal - superior nuchal line of occipital bone, mastoid process of temporal bone

Question 3

Splenius cervicis

Answer 3

Proximal - spinous processes of T3-T6

Distal - transverse processes of C1-C3

Question 4

Gastrocnemius

Answer 4

Proximal - lateral and medial condyles of femur

Distal - calcaneus via calcaneal tendon (Achilles)

Question 5

Soleus

Answer 5

Proximal - head and proximal shaft of fibula, medial border of tibia
Distal - calcaneus via calcaneal tendon

Question 6

Sternocleidomastoid

Answer 6

Proximal - manubrium of sternum, sternal end of clavicle (splits into two heads)
Distal - mastoid process of temporal bone

Question 7

Tibialis anterior

Answer 7

Proximal - lateral condyle and proximal shaft of tibia

Distal - metatarsal I, medial cuneiform

Question 8

Piriformis

Answer 8

Proximal - anterolateral surface of sacrum

Distal - greater trochanter of femur

Question 9

Gluteus Minimus

Answer 9

Proximal - lateral surface of ilium

Distal - greater trochanter of femur

Question 10

Gluteus Medius

Answer 10

Proximal - iliac crest

Distal - greater trochanter of femur

Question 11

Gluteus Maximus

Answer 11

Proximal - iliac crest, sacrum, coccyx

Distal - iliotibial tract, linea aspera

Question 12

Tensor Fasciae Latae

Answer 12

Proximal - iliac crest, anterior superior iliac spine

Distal - iliotibial tract

Question 13

Biceps Femoris - long head

Answer 13

Proximal - ischial tuberosity

Distal - head of fibula, (lateral condyle of tibia)

Question 14

Bicep Femoris - short head

Answer 14

Proximal - linea aspera of femur

Distal - head of fibula

Question 15

Semimembranosus

Answer 15

Proximal - ischial tuberosity

Distal - medial condyle of tibia

Question 16

Semitendinosus

Answer 16

Proximal - ischial tuberosity

Distal - proximal medial surface of tibia

Question 17

Gracilis

Answer 17

Proximal - inferior ramus and body of pubis

Distal - upper medial surface of tibia

Question 18

Iliacus

Answer 18

Proximal - iliac fossa

Distal - lesser trochanter of femur

Question 19

Psoas Major

Answer 19

Proximal - T12-L5 vertebrae

Distal - lesser trochanter of femur

Question 20

Sartorius

Answer 20

Proximal - anterior superior iliac spine

Distal - tibial tuberosity, medial side

Question 21

Rectus Femoris

Answer 21

Proximal - anterior inferior iliac spine

Distal - patella via quadriceps tendon and then tibial tuberosity via patellar ligament

Question 22

Vastus Lateralis, Medialis, and Intermedius

Answer 22

Proximal - femur

Distal - patella via quadriceps tendon and then tibial tuberosity via patellar ligament

Question 23

Biceps Brachii - long head

Answer 23

Proximal - supraglenoid tubercle of scapula

Distal - radial tuberosity

Question 24

Biceps Brachii - short head

Answer 24

Proximal - coracoid process of scapula

Distal - radial tuberosity

Question 25

Coracobrachialis

Answer 25

Proximal - coracoid process of scapula | Distal - middle medial shaft of humerus

Question 26

Brachialis

Answer 26

Proximal - distal, anterior half of humerus | Distal - coronoid process of ulna

Question 27

Brachioradialis

Answer 27

Proximal - lateral humerus | Distal - styloid process of radius

Question 28

Triceps Brachii - long head

Answer 28

Proximal - infraglenoid tubercle of scapula | Distal - olecranon process of ulna

Question 29

Triceps Brachii - lateral head

Answer 29

Proximal - posterior shaft of humerus | Distal - olecranon process of ulna

Question 30

Triceps Brachii - medial head

Answer 30

Proximal - posterior shaft of humerus distal to radial groove Distal - olecranon process of ulna

Question 31

Supraspinatus

Answer 31

Proximal - supraspinous fossa of scapula | Distal - greater tubercle of humerus

Question 32

Infraspinatus

Answer 32

Proximal - infraspinous fossa of scapula | Distal - greater tubercle of humerus

Question 33

Teres Minor

Answer 33

Proximal - lateral border of scapula | Distal - greater tubercle of humerus

Question 34

Subscapularis

Answer 34

Proximal - subscapular fossa of scapula | Distal - lesser tubercle of humerus

Question 35

Teres Major

Answer 35

Proximal - lateral border and angle of scapula | Distal - lesser tubercle and intertubercular sulcus of humerus

Question 36

Latissimus Dorsi

Answer 36

Proximal - spinous processes of lower thoracic vertebrae, lower ribs 8-12, iliac crest Distal - intertubercular sulcus of humerus

Question 37

Deltoid

Answer 37

Proximal - acromial end of clavicle, acromion and spine of scapula Distal - deltoid tuberosity of humerus

Question 38

Pectoralis Major

Answer 38

Proximal - clavicle, costal cartilages | Distal - greater tubercle and lateral intertubercular sulcus of humerus

Question 39

Trapezius

Answer 39

Proximal - occipital Bone, ligamentum nuchae and spinous processes of C7-T12 Distal - lateral clavicle, spine and acromion of scapula (lecture only)

Question 40

Serratus anterior

Answer 40

Proximal - ribs 1-9, Distal - costal medial surface of scapula (lecture only)

Question 41

Pectoralis minor

Answer 41

Proximal - ribs 3-5 Distal - coracoid process of scapula (lecture only)

Question 42

Supinator

Answer 42

Proximal - lateral epicondyle | Distal - radius

Question 43

Pectineus, adductor longus, brevis, and magnus

Answer 43

Proximal - pubis | Distal - linea aspera

Question 44

Rectus abdominus

Answer 44

Proximal - xiphoid process of sternum, costal cartilages 5-7 | Distal - pubic symphysis and crest

Question 45

External and internal obliques, transversus abdominus

Answer 45

Proximal - linea alba