Muscular system.

Question 1

adductors

Answer 1

a muscle whose contraction moves a limb or other part of the body toward the midline of the body or toward another part.

Question 2

biceps brachii

Answer 2

A muscle whose long head has origin from the supraglenoidal tuberosity of the scapula and whose short head has origin from the coracoid process, with insertion into the tuberosity of the radius, with nerve supply from the musculocutaneous nerve, and whose action flexes and supinates the forearm

Question 3

biceps femoris

Answer 3

A muscle whose long head has origin from the tuberosity of the ischium and whose short head has origin from the lower half of the lateral lip of the linea aspera, with insertion into the head of the fibula, with nerve supply from the tibial nerve for the long head and from the peroneal nerve for the short head, and whose action flexes the knee and rotates the leg laterally.

Question 4

buccinators

Answer 4

a flat, thin muscle in the wall of the cheek.

Question 5

deltoid

Answer 5

each of the three parts of a deltoid muscle, attached at the front, side, and rear of the shoulder.

Question 6

extensors

Answer 6

a muscle whose contraction extends or straightens a limb or other part of the body.

Question 7

external intercostals

Answer 7

Any of the muscles with their origin from the lower border of a rib, with insertion into the upper border of the rib below, with nerve supply from the intercostal nerve

Question 8

external oblique

Answer 8

the largest and the most superficial (outermost) of the three flat muscles of the lateral anterior abdomen.

Question 9

fibularis longus

Answer 9

is a superficial muscle in the lateral compartment of the leg, and acts to evert and plantar flex the ankle

Question 10

flexors

Answer 10

a muscle whose contraction bends a limb or other part of the body.

Question 11

frontalis

Answer 11

is muscle which covers parts of the skull.

Question 12

gastrocnemius

Answer 12

the chief muscle of the calf of the leg, which flexes the knee and foot. It runs to the Achilles tendon from two heads attached to the femur.

Question 13

gluteus maximus

Answer 13

any of three muscles in each buttock that move the thigh, the largest of which is the gluteus maximus.

Question 14

gluteus medius

Answer 14

The middle of the three muscles in each buttock that arises from the outer surface of the ilium, that is inserted into the greater trochanter of the femur, and that acts to abduct and medially rotate the thigh.

Question 15

internal oblique

Answer 15

muscle is a muscle in the abdominal wall that lies below the external oblique and just above the transverse abdominal muscles.

Question 16

atissimus dorsi

Answer 16

a broad, flat muscle on each side of the midback, the action of which draws the arm backward and downward and rotates the front of the arm toward the body.

Question 17

masseter

Answer 17

a muscle that runs through the rear part of the cheek from the temporal bone to the lower jaw on each side and closes the jaw in chewing.

Question 18

orbicularis oculi

Answer 18

is a muscle in the face that closes the eyelids

Question 19

orbicularis oris

Answer 19

is not a simple sphincter muscle like the orbicularis oculi; it consists of numerous strata of muscular fibers surrounding the orifice of the mouth, but having different direction.

Question 20

pectoralis major

Answer 20

is a thick, fan-shaped muscle, situated at the chest

Question 21

rectus abdominus

Answer 21

A large muscle in the front of the abdomen that assists in regular breathing movements,

Question 22

rectus femoris

Answer 22

.is one of the four quadriceps muscles of the human body. The others are the vastus medialis, the vastus intermedius (deep to the rectus femoris), and the vastus lateralis.

Question 23

sartorius

Answer 23

a long, narrow muscle running obliquely across the front of each thigh from the hipbone to the inside of the leg below the knee.

Question 24

semimembranosus

Answer 24

is a muscle in the back of the thigh. It is the most medial of the three hamstring muscles.

Question 25

semitendinosus

Answer 25

. is a long superficial muscle in the back of the thigh; it is one of the hamstrings.

Question 26

soleus

Answer 26

a broad muscle in the lower calf, below the gastrocnemius, that flexes the foot to point the toes downward.

Question 27

sternocleidomastoid

Answer 27

each of a pair of long muscles that connect the sternum, clavicle, and mastoid process of the temporal bone and serve to turn and nod the head.

Question 28

temporalis

Answer 28

a fan-shaped muscle that runs from the side of the skull to the back of the lower jaw and is involved in closing the mouth and chewing.

Question 29

tibialis anterior

Answer 29

is a muscle that originates in the upper two-thirds of the lateral (outside) surface of the tibia

Question 30

trapezius

Answer 30

either of a pair of large triangular muscles extending over the back of the neck and shoulders and moving the head and shoulder blade.

Question 31

triceps brachii

Answer 31

a large muscle that extends the entire length of the posterior surface of the humerus

Question 32

vastus lateralis

Answer 32

is the largest and most powerful part of the quadriceps femoris, a muscle in the thigh.

Question 33

vastus medialis

Answer 33

extensor muscle located medially in the thigh that extends the knee. The vastus medialis is part of the quadriceps muscle group.

Question 34

zygomaticus

Answer 34

slender band of muscle on each side of the face that arises from the zygomatic bone,

Question 35

quadriceps

Answer 35

the large muscle at the front of the thigh, which is divided into four distinct portions and acts to extend the leg.

Question 36

hamstring

Answer 36

any of five tendons at the back of a person’s knee.