MUSCULAR SYSTEM

Question 1

Where is the illopsoas located and what is it’s function?

Answer 1

It aligns against the illium, and it’s function is to assist in external rotation of the hip joint

Question 2

Where is the Hamstrings located, and what is it’s function?

Answer 2

Back of thigh, flex the knee joint and extends the hip

Question 3

An entire skeletal muscle is covered by a course sheath is called?

Answer 3

Epimysium

Question 4

Muscles that are arranged like feathers in a plume are described as?

Answer 4

Pennate

Question 5

Antagonists are muscles that?

Answer 5

oppose prime movers (triceps)

Question 6

a fixed point about which a rod moves is called a?

Answer 6

Fulcrum

Question 7

In first-class levers, the?

Answer 7

fulcrum is between the load and the force

Question 8

all of the following are rotator cuff muscles except?

Answer 8

Deltoids

Question 9

the muscle that shrugs the shoulders is called the?

Answer 9

Trapezius

Question 10

the posterior arm that extends the forearm is called the?

Answer 10

Tricepts Brachii

Question 11

The muscles of the quadriceps femoris include all of the following, except?

Answer 11

vastus femoris

Question 12

Plantar flexion of the foot is achieved by the?

Answer 12

Tibialis posterior

Question 13

The muscles of the hamstrings include all, except the?

Answer 13

Illopsoas

Question 14

Which of the following does not move the upper arm?

Answer 14

Trapezius

Question 15

which of the following is not a function of all muscles?

Answer 15

Relaxibility

Question 16

Tipping the back of the head is an example of what class lever?

Answer 16

first

Question 17

what are the functions of the deltoid?

Answer 17

abductor, flexor, extendor

Question 18

Which of the following is not one of the major functions of skeletal muscles?

Answer 18

protection

Question 19

All of the following are true characteristics of an isometric contraction except:

Answer 19

Movement is produced.

Question 20

Muscles that assist the prime mover in producing a movement are called:

Answer 20

synergists

Question 21

Which of the following is also known as striated muscle?

Answer 21

skeletal muscle

Question 22

most body movements are:

Answer 22

isotonic contractions

Question 23

Another name for smooth muscle is:

Answer 23

visceral

Question 24

Endurance training is also known as:

Answer 24

aerobic training

Question 25

The boxer’s muscle is the:

Answer 25

triceps brachii

Question 26

When an athlete injures a muscle of the hamstring group, the injury is on the:

Answer 26

inner thigh

Question 27

Which of the following is not a muscle that moves the foot?

Answer 27

sartorius

Question 28

which muscle is not a muscle of the quadriceps femoris group?

Answer 28

biceps femoris

Question 29

what muscles have fibers that lie across the region and form the innermost layer of the anterolateral abdominal walls?

Answer 29

transverse abdominis

Question 30

Which muscle allows us to chew our food?

Answer 30

masseter

Question 31

The pectoralis major muscle:

Answer 31

flexes the upper arm

Question 32

Abduction means:

Answer 32

moving a part away from the midline of the body.

Question 33

The muscle that is on the posterior surface of the upper arm is the:

Answer 33

triceps brachii

Question 34

when a muscle does not shorten, and no movement results, the contraction is:

Answer 34

isometric

Question 35

Glucose is stored in muscle tissue as?

Answer 35

Glycogen

Question 36

The purpose of creatine phosphate in muscle contraction is to?

Answer 36

replenish energy supply

Question 37

what are the descriptions of SMOOTH MUSCLE?

Answer 37

Fibers are thin and spindle
shaped.
* Involuntary
* Contracts slowly

Question 38

what are the descriptions of CARDIAC MUSCLE

Answer 38

• Cells are branched and appear fused
  with one another
  Involuntary

Question 39

what are the descriptions of SKELETAL MUSCLE?

Answer 39

Fibers are long & cylindrical
* Have striations & many nuclei
* Cells are surrounded & bundled
together by connective tissue
= great force, but tires easily
* Voluntary

Question 40

Attachment of muscles describe: ORIGIN

Answer 40

the attachment of the muscle
to the bone that remains stationary

Question 41

Attachment of muscles describe: INSERTION

Answer 41

the attachment of the muscle
to the bone that moves

Question 42

Attachment of muscles describe: BELLY

Answer 42

the fleshy part of the muscle
between the tendons of origin

Question 43

what do the rotator cuff muscles include?

Answer 43

Supraspinatus,Teres minor, Subscapularis, Infraspinatus.