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Group Fit Cert > Human Movement System (Ch3) > Flashcards

Human Movement System (Ch3) Flashcards

1
Q

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

A

Nervous, Muscular and Skeletal systems.

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2
Q

The Human Movement System is also called what?

A

Kinetic Chain

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3
Q

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

A

Nervous System

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4
Q

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

A

Central Nervous System

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5
Q

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

A

Peripheral Nervous System

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6
Q

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

A

Neuron

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7
Q

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

A

Mechanoreceptors

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8
Q

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.

A

Proprioception

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9
Q

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

A

Muscle Spindles

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10
Q

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

A

Golgi tendon organs (GTO)

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11
Q

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

A

Muscular System

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12
Q

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

A

Myofibrils

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13
Q

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

A

Sarcomeres

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14
Q

A single contraction of a facilitated muscle

A

a twitch

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15
Q

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

A

Type I Fibers

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16
Q

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

A

Type II Fibers

17
Q

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

A

Aerobic

18
Q

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

A

Anaerobic

19
Q

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

A

Agonist

20
Q

Muscles that assist the prime mover in a joint exercise.

A

Synergists

21
Q

Muscle’s 4 behavioral properties that help facilitate movement.

A

Extensibility

22
Q

Connective tissues connecting bone to bone

A

Ligaments

23
Q

Connective tissue attaching muscle to bone

A

Tendons

24
Q

Restricting an opposite motion

A

Reciprocal Inhibition

25
Q

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

A

ATP

26
Q
  • Occurs during the first 10-15 seconds of activity
  • Anaerobic
  • Used for activities that require high power or strength
A

ATP-PC system

27
Q

3 pathways to energy

A

ATP-PC system
Glycolysis
Aerobic Processes

28
Q
  • Occurs during first 2-3 minutes of activity

- Glucose without presence of oxygen (anaerobic) to create ATP

A

Glycosis

29
Q

Used in any activity lasting longer than 2-3 minutes

A

Aerobic Processes

30
Q

Mechanoreceptors are part of which system?

(A) Nervous System
(B) Muscular System
(C) Skeletal System

A

A) Nervous System

31
Q

Ligaments and tendons are part of which system?

(A) Nervous System
(B) Muscular System
(C) Skeletal System

A

C) Skeletal System

32
Q

Blood production is part of which system?

(A) Nervous System
(B) Muscular System
(C) Skeletal System

A

C) Skeletal System

33
Q

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

A

Adenosine triphosphate

34
Q

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

A

Stroke Volume

35
Q

A muscle that is commonly overactive in the foot and ankle

A

Soleus

36
Q

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

A

Force-couple

37
Q 
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.
A

b. It causes a muscle to relax.

38
Q

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

A

Reciprocal Inhibition

39
Q 
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
A

d. Sinoatrial node

Group Fit Cert (4 decks)

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