Ch. 10

Question 1

Name Extensors of the Knee

Answer 1

rectus femoris, vastus intermedius, vastus lateralis, vastus medialis

Question 2

Flexors of Knee

Answer 2

biceps femoris, semitendinosus, semimembranosus, sartorius, popliteus

Question 3

What are the appendicular muscles?

Answer 3

levator scapulae, supraspinatus, rhomboid minor, rhomboid major

Question 4

Name the elbow flexors

Answer 4

biceps brachii, brachialis, brachioradialis

Question 5

what muscles are in the gluteal group?

Answer 5

gluteus medius, gluteus maximus, tensor fasciae latae

Question 6

List all the details of the Pectoralis Minor

Answer 6

point of origin: ribs 2-5
point of insertion: coracoid process scapula
action/function: depress scapula, elevate ribs

Question 7

Details of Serratus Anterior:

Answer 7

point of origin: ribs 1-8
point of insertion: vertebral border of scapula
action/function: protract scapula, upward rotation

Question 8

details of Pectoralis Major:

Answer 8

point of origin: clavicle, sternum and ribs 2-6
point of insertion: intertubercular sulcus
action/function: shoulder flexion, adduction, medial rotation

Question 9

details of DELTOID

Answer 9

point of origin: clavicle and scapula
point of insertion: deltoid tuberosity
action/function: shoulder abduction, flexion and extension, medial and lateral rotation

Question 10

details of Coracobrachialis

Answer 10

point of origin: caracoid process
point of insertion: medial humerus
action/function: shoulder adduction and flexion

Question 11

details of Teres major:

Answer 11

point of origin: Scapula
point of insertion: intertubercular sulcus
action/function: shoulder extension, adduction, medial rotation

Question 12

Latissimus Dorsi

Answer 12

point of origin: inferior thoracic and all lumbar vertebrae
point of insertion: intertubercular sulcus
action/function: shoulder extension, adduction, medial rotation

Question 13

Infraspinatus

Answer 13

point of origin: infraspinous fossa
point of insertion: greater tubercle
action/function: shoulder lateral rotation

Question 14

Teres Minor

Answer 14

origin: lateral border of scapula
point of insertion: greater tubercle
action/function: shoulder lateral rotation

Question 15

Supraspinatus

Answer 15

point of origin: supraspinous fossa
point of insertion: greater tubercle
action/function: shoulder abduction

Question 16

subscapularis

Answer 16

point of origin: subscapular fossa
point of insertion: lesser tubercle
action/function: shoulder medial rotation

Question 17

muscles in rotator cuff:

Answer 17

supraspinatus, infraspinatus, teres minor, subscapularis;

action to stabilize and support shoulder joint

Question 18

Biceps Brachii

Answer 18

point of origin: 2 heads, supraglenoid tubercle and coracoid process
point of insertion: radial tuberosity
action/function: shoulder and elbow flexation

Question 19

Brachialis

Answer 19

point of origin: anterior humerus
point of insertion: Ulna
action/function: elbow flexion

Question 20

Brachioradialis

Answer 20

point of origin: lateral humerus
point of insertion: styloid process of radius
action/function: elbow flexion

Question 21

Triceps Brachii

Answer 21

point of origin: (3 heads) lateral and inferior scapula, posterior humerus
insertion: olecranon of ulna
action/function: shoulder and elbow extension; shoulder adduction

Question 22

Extensor Digitorum longus

Answer 22

point of origin: lateral tibia & fibula
insertion: phalanges 2-5
action/function: extends toes

Question 23

Soleus

Answer 23

origin: fibula and tibia
insertion: calcaneus by the way of calcaneal tendon
action/function: plantarflexion

Question 24

Gastrocnemius

Answer 24

point of origin: condyles of femur
insertion: calcaneus by way of calcaneal tendon
action/function: plantarflexion

Question 25

Fibularis longus

Answer 25

point of origin: lateral fibula
insertion: 1st metatarsal and medial cuneiform
action/function: plantarflexion & eversion

Question 26

Tibialis Anterior

Answer 26

point of origin: lateral tibia
insertion: 1st metatarsal and medial cuneiform
action/function: ankle dorsiflexion; inversion

Question 27

Vastus Medialis

Answer 27

origin: linea aspera
insertion: tibial tuberosity
function: knee extension

Question 28

Vastus Intermedius

Answer 28

origin: body of femur
insertion: tibial tuberosity
action: knee extension

Question 29

Rectus Femoris

Answer 29

origin: anterior inferior iliac pine
insertion: tibial tuberosity
action/function: hip flexion, knee extension

Question 30

Vastus Lateralis

Answer 30

origin: greater trochanter, linea aspera
insertion: tibial tuberosity
action: knee extension