skeletal muscle

Question 1

what are the connective tissue elements of skeletal muscle ?

Answer 1

The epimysium - around whole muscle

perimysium - around a fascicle

endomysium - around fibres

the connective tissue sheaths form the tendon

Question 2

from large to small what are the levels of organisation in a muscle ?

Answer 2

whole muscle, fascicle, fibre, myofibril, sarcomere, and myofilament

Question 3

what are the muscles of mastication?

Answer 3

masseter
temporalis
medial pterygoid
lateral pterygoid
buccinator

Question 4

what are the deep back muscles?

Answer 4

splenius 
erector spinae
iliocostalis
longissimus
spinalis
semispinalis
quadratus lumborum

Question 5

what are the deep muscles of the thorax used in breathing?

Answer 5

external intercostals
internal intercostals
diaphragm

Question 6

what are the muscles of the anterior and lateral abdominal wall ?

Answer 6

external oblique
internal oblique
transversus abdominius
rectus abdominis

Question 7

what are the muscle of the pelvic diaphragm ?

Answer 7

levator ani

coccygeus

Question 8

what are the muscles of the anterior thorax?

Answer 8

Pectoralis minor
serratus anterior
subclavius

Question 9

muscles of the posterior thorax?

Answer 9

trapezius
levator scapulae
rhomboids

Question 10

what are the muscles crossing the shoulder joint ?

and what movements of the arm do they produce?

Answer 10

pectoralis major (flexion)(adduction)
deltoid  (flexion)(extension) (abduction)
latissimus dorsi (extension)(adduction)
teres major
rotaror cuff muscles
(subscapularis,
supraspinatus, 
infraspinatus) -( rotation)
teres minor (extension)
coracobrachialis (flexion)

Question 11

what muscles cross the elbow joint ?

Answer 11

posterior
triceps brachii
anconeus
brachioradialis

anterior
biceps brachii
brachialis

Question 12

what are the superficial muscles of anterior compartment of forearm ?

Answer 12

pronator teres
flexor carpi radialis
palmaris longus 
flexor carpi ulnaris
flexor digitorum superficialis

Question 13

what are the deep muscles of anterior compartment of forearm ?

Answer 13

flexor pollicis longus
flexor digitorum profundus
pronator quadratus

Question 14

what are the superficial muscles of posterior compartment of forearm ?

Answer 14

brachioradialis
extensor carpi radialis longus 
extensor carpi radialis brevis
extensor digitorum 
externsor carpi ulnaris

Question 15

what are the deep muscles of posterior compartment of forearm ?

Answer 15

supinator
abductor pollicis longus
extensor pollicis brevis and longus
extensor indicis

Question 16

what are the muscles of the anterior compartment of thigh?

Answer 16

sartorius
quadriceps femoris 
rectus femoris
vastus lateralis 
vastus intermedius

Question 17

what are the muscles of the medial compartment of thigh?

Answer 17

pectineus
gracilis
adductors;
adductor longus
adductor brevis
adductor magnus

Question 18

what are the gluteal muscles ?

Answer 18

gluteus maximus
gluteus medius
gluteus minimus

Question 19

what are the muscles of the posterior compartment of thigh?

Answer 19

hamstrings
biceps femoris
semitendinosus
semimembranous

Question 20

what are the lateral rotator muscles of the thigh

Answer 20

piriformis
obturator externus
obturator internus
gemellus
qudratus femoris

Question 21

what are the muscles of the anterior compartment of leg?

Answer 21

tibialis anterior
extensor digitorum longus
fibularis tertius
extensor hallucis longus

Question 22

what are the muscles of the lateral compartment of leg

Answer 22

fibularis longus

fibularis brevis

Question 23

what are the superficial muscles of posterior compartment of leg?

Answer 23

triceps surae
gastroncnemius
soleus
plataris

Question 24

what are the deep muscles of posterior compartment of leg?

Answer 24

popliteus
flexor digitorum longus
flexor hallucis longus
tibialis posterior

Question 25

what are the muscles on the dorsum of foot?

Answer 25

extensor digitorum brevis

Question 26

what are the muscles on the sole of foot?

Answer 26

first layer (most superficial) flexor digitorum brevis abductor hallucis abductor digiti minimi second layer flexor accessorius lumbricals third layer flexor hallucis brevis adductor hallucis flexor digiti minimi brevis ``` fourth layer (deepest) plantar and dorsal interossei ```

Question 27

what are the muscles of the scalp?

Answer 27

occipitofrontallis frontal belly occipital belly

Question 28

what are branchiomeric muscles ?

Answer 28

muscles of facial expression, the chewing muscles, and the suprahyoid and pharyngeal constrictors

Question 29

The levator scapulae is a muscle that is named for its ____________

Answer 29

location

Question 30

what muscle draws the corner of the mouth laterally and compresses the cheek ?

Answer 30

The buccinators

Question 31

what muscles act at the end of swallowing to pull the hyoid bone and larynx inferiorly to their original position ?

Answer 31

Infrahyoid muscles

Question 32

The muscles that elevate the first two ribs and flex and rotate the neck are the ____________.

Answer 32

scalenes

Question 33

The posterior axillary fold is comprised of ____________.

Answer 33

the teres major and latissimus dorsi

Question 34

what are the connective tissue sheaths around skeletal muscle fibers, muscle fascicles, and whole muscles, respectively ?

Answer 34

Endomysium, perimysium, and epimysium

Question 35

Why are skeletal muscle fibers (skeletal muscle cells) multinucleate?

Answer 35

skeletal muscle fibers are formed by the fusion of embryonic myoblasts

Question 36

The thigh portion of the lower limb has how many compartments?

Answer 36

3