Human Movement System (Ch3)

Question 1

The Human Movement System is made up what three interconnected components?

Answer 1

Nervous, Muscular and Skeletal systems.

Question 2

The Human Movement System is also called what?

Answer 2

Kinetic Chain

Question 3

Tells the musculoskeletal system of the body when and how to move. Collects all sensory information and sends a movement for response.

Answer 3

Nervous System

Question 4

Includes brain and spinal cord and its primary function is to coordinate activity in all parts of the body.

Answer 4

Central Nervous System

Question 5

Includes nerve fibers that branch out from CNS and extend to the body.

Answer 5

Peripheral Nervous System

Question 6

Functional unit of the nervous system. Mad e of three parts: cell body, axon, and dendrites.

Answer 6

Neuron

Question 7

Sensory receptors that respond to a change in the position of body position and limb movements.

Answer 7

Mechanoreceptors

Question 8

Cumulative sensory input to the CNS from all mechanoreceptors. Awareness and perception of body position and limb movements. What allows a person to close their eyes and still touch a finger to their nose.

Answer 8

Proprioception

Question 9

Receptors sensitive to to change in length of the muscle and rate of that change. Found in skeletal muscles.

Answer 9

Muscle Spindles

Question 10

Receptors sensitive to amount and rate of tension tension that develops in the muscle.

Answer 10

Golgi tendon organs (GTO)

Question 11

Receives messaging from the brain to shorten or lengthen, creating movement to the skeletal system.

Answer 11

Muscular System

Question 12

Muscles are made of up fibers with smaller tubes held within called ____.

Answer 12

Myofibrils

Question 13

__________ contain long proteins called filaments that slide past each other to produce muscular contractions.

Answer 13

Sarcomeres

Question 14

A single contraction of a facilitated muscle

Answer 14

a twitch

Question 15

slow-twitch fibers.
considered highly aerobic.
more resistant to fatigue.
smaller in size.

Answer 15

Type I Fibers

Question 16

fast-twitch fibers.
considered more anaerobic.
more speed and strength, but burst of intensity is short lived.
larger in size.

Answer 16

Type II Fibers

Question 17

Meaning “with oxygen”, the long-term energy production cycle that occurs when sufficient oxygen is present.

Answer 17

Aerobic

Question 18

Meaning “without oxygen”, the short-term energy production cycle that occurs with insufficient oxygen levels.

Answer 18

Anaerobic

Question 19

Muscle that works as the prime mover of a joint exercise.

Answer 19

Agonist

Question 20

Muscles that assist the prime mover in a joint exercise.

Answer 20

Synergists

Question 21

Muscle’s 4 behavioral properties that help facilitate movement.

Answer 21

Extensibility

Question 22

Connective tissues connecting bone to bone

Answer 22

Ligaments

Question 23

Connective tissue attaching muscle to bone

Answer 23

Tendons

Question 24

Restricting an opposite motion

Answer 24

Reciprocal Inhibition

Question 25

When we consume food and transform it into usable energy it is in the form of _______.

Answer 25

ATP

Question 26

- Occurs during the first 10-15 seconds of activity - Anaerobic - Used for activities that require high power or strength

Answer 26

ATP-PC system

Question 27

3 pathways to energy

Answer 27

ATP-PC system Glycolysis Aerobic Processes

Question 28

- Occurs during first 2-3 minutes of activity | - Glucose without presence of oxygen (anaerobic) to create ATP

Answer 28

Glycosis

Question 29

Used in any activity lasting longer than 2-3 minutes

Answer 29

Aerobic Processes

Question 30

Mechanoreceptors are part of which system? (A) Nervous System (B) Muscular System (C) Skeletal System

Answer 30

A) Nervous System

Question 31

Ligaments and tendons are part of which system? (A) Nervous System (B) Muscular System (C) Skeletal System

Answer 31

C) Skeletal System

Question 32

Blood production is part of which system? (A) Nervous System (B) Muscular System (C) Skeletal System

Answer 32

C) Skeletal System

Question 33

Energy storage and transfer units within the cells of the body are called _______

Answer 33

Adenosine triphosphate

Question 34

Refers to the amount of blood pumped out of the heart with each contraction

Answer 34

Stroke Volume

Question 35

A muscle that is commonly overactive in the foot and ankle

Answer 35

Soleus

Question 36

The synergistic action of muscle groups to produce movement around a joint

Answer 36

Force-couple

Question 37

``` Which of the following is true of the Golgi tendon organ when excited? Select one: a. It causes a muscle to lengthen. b. It causes a muscle to relax. c. It causes a muscular contraction. d. It results in micro muscle spasms. ```

Answer 37

b. It causes a muscle to relax.

Question 38

Relaxation of the psoas so the glutes can contract is an example of what?

Answer 38

Reciprocal Inhibition

Question 39

``` Which of the following is referred to as the pacemaker for the heart? Select one: a. Supratrochlear node b. Pectoral node c. Atrioventricular node Incorrect d. Sinoatrial node ```

Answer 39

d. Sinoatrial node