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

The biceps brachii is a large, thick muscle on the ventral portion of the upper arm. It is a double-headed muscle, meaning that it has two points of origin or ‘heads’ in the shoulder area

Question 3

extensors

Answer 3

a muscle whose contraction extends or straightens a limb or other part of the body. Often contrasted with flexor

Question 3

biceps femoris

Answer 3

The biceps femoris is a long muscle located in the posterior aspect of the thigh. It is part of the hamstrings muscle group and runs from the ischial tuberosity to the proximal part of the fibula

Question 4

external oblique

Answer 4

The external oblique muscle is one of the outermost abdominal muscles, extending from the lower half of the ribs around and down to the pelvis

Question 4

buccinators

Answer 4

The buccinator is a thin, flat muscle lining the cheek

Question 5

deltoid

Answer 5

triangular:
denoting a thick triangular muscle covering the shoulder joint and used for raising the arm away from the body.

Question 6

external intercostals

Answer 6

most superficial set of muscles that occupy the 11 intercostal spaces.

Question 7

fibularis longus

Answer 7

long muscle located superficially in the lateral compartment of the leg, together with the fibularis brevis muscle

Question 8

Flexors

Answer 8

a muscle whose contraction bends a limb or other part of the body. Often contrasted with extensor

Question 9

frontalis

Answer 9

FRONTALIS is the muscle of the forehead that forms part of the occipitofrontalis —called also frontalis muscle.

Question 10

gastrocnemius

Answer 10

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 11

gluteus maximus

Answer 11

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

Question 12

gluteus medius

Answer 12

a large fan-shaped muscle located in the posterior hip, extending from the ilium to the proximal femur.

Question 13

internal oblique

Answer 13

The abdominal internal oblique muscle, also internal oblique muscle or interior oblique, is an abdominal muscle in the abdominal wall that lies below the external oblique muscle and just above the transverse abdominal muscle.

Question 14

latissimus dorsi

Answer 14

either of a pair of large, roughly triangular muscles covering the lower part of the back, extending from the sacral, lumbar, and lower thoracic vertebrae to the armpits.

Question 15

masseter

Answer 15

a muscle which 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 16

orbicularis oculi

Answer 16

paired facial muscle that surrounds each orbit and the adjacent periorbital region.

Question 17

orbicularis oris

Answer 17

a complex circular muscle that surrounds the orifice of the mouth and forms the majority of the lips

Question 18

pectoralis major

Answer 18

The pectoralis major is a thick, fan-shaped or triangular convergent muscle situated at the chest of the human body

Question 19

rectus abdominus

Answer 19

ny of several straight muscles.
each of a pair of long flat muscles at the front of the abdomen, joining the sternum to the pubis and acting to bend the whole body forward or sideways.

Question 20

rectus femoris

Answer 20

division of the quadriceps muscle lying in the anterior middle region of the thigh, arising from the ilium by two heads, inserted into the tuberosity of the tibia by a narrow flattened tendon, and acting to flex the thigh at the hip and with the rest of the quad.

Question 21

sartorius

Answer 21

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 22

semimembranosus

Answer 22

relatively large muscle that originates from a small facet on the rough superolateral surface of the ischial tuberosity.

Question 23

semitendinosus

Answer 23

The semitendinosus is a long superficial muscle in the back of the thigh. It is part of the hamstrings muscle group and attaches between the ischial tuberosity of the pelvis and the proximal end of the tibia. The muscle is named for its long tendon of insertion

Question 24

soleus

Answer 24

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

Question 25

sternocleidomastoid

Answer 25

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 26

temporalis

Answer 26

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

Question 27

tibialis anterior

Answer 27

fusiform muscle found in the anterior part of the leg. Lying superficially in the leg, this muscle is easily palpable lateral to the anterior border of tibia.

Question 28

trapezius

Answer 28

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 29

triceps brachii

Answer 29

The triceps brachii is a three-headed muscle of the arm. It is located on the dorsal part of the upper arm and spans almost the entire length of the humerus. The main function of the triceps is elbow joint extension

Question 30

vastus lateralis

Answer 30

the division of the quadriceps muscle that covers the outer anterior aspect of the femur, arises chiefly from the femur, and inserts into the outer border of the patella by a flat tendon

Question 31

vastus medialis

Answer 31

The vastus medialis is an extensor muscle located medially in the thigh that extends the knee. The vastus medialis is part of the quadriceps muscle group. The vastus medialis is a muscle present in the anterior compartment of thigh, and is one of the four muscles that make up the quadriceps muscle

Question 32

zygomaticus

Answer 32

The zygomaticus is a facial muscle that originates from the zygomatic bone and inserts into the angle of the mouth

Question 33

quadriceps

Answer 33

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

Question 34

hamstring

Answer 34

any of five tendons at the back of a person's knee: