Anatomy And Physiology Lectures 10 & 11

Front 1

The muscle that provides a major force in producing a specific movement is called?

Back 1

Prime mover

Front 2

What structure forms the anterior border of the posterior triangle of the neck?

Back 2

SCM

Front 3

In this class of lever, the load is between the fulcrum and the effort (e.g. soleus)

Back 3

Second class

Front 4

What muscle is the most medial muscle of the erector spinae group?

Back 4

Spinalis

Front 5

All of the muscles of the face are supplied by which cranial nerve?

Back 5

VII (Facial)

Front 6

Unlike most back muscles, these have fibers running obliquely, rather than parallel?

Back 6

Splenius

Front 7

A muscle that has its fascicles converging from a broad origin into a single insertion are said to be of what type?

Back 7

Convergent

Front 8

Extending 3-4 segments, these small muscles are found in layer 6 of the back

Back 8

multifidus

Front 9

This small muscle originates from posterior tubercle of CI and inserts into the nuchal line of the occiput?

Back 9

Rectus capitis posterior minor
RCPmn

Front 10

Rupture separation of the abdominal wall that allows part of the small intestine to protrude into the groin is called?

Back 10

Inguinal hernia
Indirect hernia

Front 11

In this class of lever, the effort is between the load and the fulcrum (e.g. biceps brachii)

Back 11

third class

Front 12

Which muscle forms the bulk of the tongue and acts to protrude it?

Back 12

genioglossus

Front 13

What structure forms the superior border of the anterior triangle of the neck?

Back 13

Mandible

Front 14

Levator ani is one of the two muscles of the pelvic floor, name the other one?

Back 14

coccygeus

Front 15

These small muscles in layer 6 of the back extend 1-2 segments?

Back 15

rotatores

Front 16

The diaphragm is one of the primary muscles of respiration. What is the other one?

Back 16

External intercostals

Front 17

What are the deepest muscles of the abdominal wall?

Back 17

Transverse abdominus

Front 18

In this class of lever, the fulcrum is between the load and the effort (e.g. skull sitting on the C1 vertebra)

Back 18

first class

Front 19

All of the muscles of mastication are supplied by which cranial nerve.

Back 19

V3

Front 20

Which muscles are the prime movers of back extension.

Back 20

Erector spinae

Front 21

What is the name of the only muscle found on the dorsum of the foot?

Back 21

Extensor digitorum brevis

Front 22

What nerve supplies the muscles of the anterior compartment of the left thigh?

Back 22

femoral

Front 23

What is the common origin of the wrist/hand extensors?

Back 23

lateral epicondyle

Front 24

The tendon of this muscle makes up the most dorsal border of the anatomical snuff box?

Back 24

extensor pollicus longus

Front 25

What is the only muscle group found in the posterior compartment of the thigh?

Back 25

hamstrings

Front 26

Which rotator cuff muscle is an internal rotator?

Back 26

subscapularis

Front 27

Which muscle is the prime mover of hip extension?

Back 27

gluteus maximus

Front 28

What is the action of the muscles of the lateral aspect of the leg?

Back 28

evert

Front 29

The quadratus plantae muscle is found in the 2nd layer of the foot. What is the other muscle found in this layer?

Back 29

lumbricals

Front 30

This muscle is the prime mover of shoulder aBduction?

Back 30

Deltoid

Front 31

Weakness in this muscle causes "winging of the scapula"

Back 31

serratius anterior

Front 32

This muscle is the prime mover of shoulder elevation?

Back 32

levator scapula

Front 33

This muscle is the largest external rotator of the hip joint?

Back 33

piriformis

Front 34

Which muscle is the prime mover of elbow extension?

Back 34

triceps brachii

Front 35

Which muscle is the prime mover of arm (GHJ) flexion?

Back 35

pectoralis major

Front 36

In the hand, these small muscles flex the MCP and extend the IP of each finger?

Back 36

lumbricals

Front 37

The muscles of the medial compartment of the thigh are supplied by which nerve?

Back 37

obturator (obstetrics)

Front 38

Which muscle is involved with thoracic outlet syndrome (TOS)?

Back 38

pectoralis MINOR

Front 39

Which muscle is the prime mover of hip flexion?

Back 39

iliopsoas

Front 40

Which muscles would you use if you wanted to aBduct the fingers of your right hand?

Back 40

dorsal interosia