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NASM CPT, 2025 > CH 7 (5-10, 15% of the CPT) > Flashcards

CH 7 (5-10, 15% of the CPT) Flashcards

Human Movement Science

1
Q

Human movement system (HMS)

A

The collective components and structures that work together to move the body: muscular, skeletal, and nervous systems.

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2
Q

Kinetic chain

A

A concept that describes the human body as a chain of interdependent links that work together to perform movement.

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3
Q

Regional interdependence model

A

This concept of how the functioning of one segment of the body can impact other areas

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4
Q

Biomechanics

A

The science concerned with the internal and external forces acting on the human body and the effects produced by these forces.

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5
Q

Kinesiology

A

Study of movement as it relates to anatomy and physiology.

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6
Q

Anatomic position

A

The position with the body erect, the arms at the sides, and the palms forward. It is the position of reference for anatomic nomenclature.

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7
Q

The imaginary plane theory

A

Concept describes how the function of one segment of the body can impact other areas

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8
Q

Contralateral

A

On the opposite side of the body

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9
Q

Inferior

A

Below an identified reference point

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10
Q

Posterior

A

On or toward the back of the body

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11
Q

Medial

A

Relatively closer to the midline of the body

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12
Q

Osteokinematics

A

Movement of a limb that is visible.

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13
Q

Arthrokinematics

A

The description of joint surface movement; consists of three major types: roll, slide, and spin.

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14
Q

Sagittal plane

A

An imaginary bisector that divides the body into left and right halves.

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15
Q

Flexion

A

A bending movement in which the relative angle between two adjacent segments decreases.

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16
Q

Extension

A

A straightening movement in which the relative angle between two adjacent segments increases.

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17
Q

Hyperextension

A

Extension of a joint beyond the normal limit or range of motion.

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18
Q

Dorsiflexion

A

Flexion occurring at the ankle.

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19
Q

Plantar flexion

A

Extension occurring at the ankle. Pointing the foot downwards.

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20
Q

Frontal plane

A

An imaginary bisector that divides the body into front and back halves. Movement in the frontal plane includes abduction, adduction, and side-to-side motions.

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21
Q

Abduction

A

A movement in the frontal plane away from the midline of the body.

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22
Q

Adduction

A

Movement in the frontal plane back toward the midline of the body.

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23
Q

Lateral flexion

A

Bending of the spine from side to side.

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24
Q

Eversion

A

A movement in which the inferior calcaneus (heel bone) moves laterally. The bottom of foot faces outward.

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25
Inversion
A movement in which the inferior calcaneus (heel bone) moves medially. Bottom of foot faces inward.
26
Transverse plane
An imaginary bisector that divides the body into top and bottom halves.
27
Internal rotation
Rotation of a body segment toward the middle of the body.
28
External rotation
Rotation of a body segment away from the middle of the body.
29
Horizontal abduction
Movement of the arm or thigh in the transverse plane from an anterior position to a lateral position.
30
Horizontal adduction
Movement of the arm or thigh in the transverse plane from a lateral position to an anterior position.
31
Radioulnar pronation
Inward rotation of the forearm from a palm-up position to a palm-down position.
32
Radioulnar supination
Outward rotation of the forearm from a palm-down position to a palm-up position.
33
Gait
Biomechanical motion of the lower extremities during walking, running, and sprinting.
34
Scapular retraction
Adduction of scapulae; shoulder blades move toward the midline.
35
Scapular protraction
Abduction of scapulae; shoulder blades move away from the midline.
36
Scapular depression
Downward (inferior) motion of the scapulae.
37
Scapular elevation
Upward (superior) motion of the scapulae.
38
Elasticity
The ability of soft tissues to return to resting length after being stretched.
39
Ligament
A fibrous connective tissue that connects bone to bone.
40
Flexibility
The normal extensibility of soft tissues that allows for full range of motion of a joint.
41
Hypermobility
A state where a lack of neuromuscular support leads to a joint having more range of motion than it should, greatly increasing the risk of injury at that joint.
42
Hypomobility
When range of motion at a joint is limited.
43
What is the imaginary line that bisects the body into right and left sides?
The sagittal plane
44
Movement in the frontal plane back toward the midline of the body
Adduction
45
Movement in the frontal plane away from the midline of the body
Abduction
46
Flexion occurring at the ankle
Dorsiflexion
47
A movement in which the heel bone moves laterally
Eversion
48
Extension occurring at the ankle
Plantar flexion
49
Eccentric muscle action
A muscle action that occurs when a muscle develops tension while lengthening.
50
Motor unit
A motor neuron and all of the muscle fibers that it innervates.
51
Concentric muscle action
A muscle action that occurs when a muscle is exerting force greater than the resistive force, resulting in a shortening of the muscle.
52
Isometric muscle action
When a muscle is exerting force equal to the force being placed on it leading to no visible change in the muscle length.
53
Core
The structures that make up the lumbo-pelvic-hip complex (LPHC), including the lumbar spine, pelvic girdle, abdomen, and hip joint.
54
Muscle action spectrum
The full range of eccentric, isometric, and concentric muscle contractions required to perform a movement.
55
Agonists
The primary muscles providing force for a movement.
56
Synergists
Muscles that assist agonists to produce a movement.
57
Stabilizers
Muscles that contract isometrically to stabilize the trunk and joints as the body moves.
58
Feed-forward activation
When a muscle is automatically activated in anticipation of a movement.
59
Antagonists
Muscles on the opposite side of a joint that are in direct opposition of agonist muscles.
60
Force
An influence applied by one object to another, which results in an acceleration or deceleration of the second object
61
Length-tension relationship
The resting length of a muscle and the tension the muscle can produce at this resting length.
62
Resting length
The length of a muscle when it is not actively contracting or being stretched.
63
Actin
The thin, stringlike, myofilament that acts along with myosin to produce muscular contraction.
64
Myosin
The thick myofilament that acts along with actin to produce muscular contraction.
65
Sarcomere
The structural unit of a myofibril composed of actin and myosin filaments between two Z-lines.
66
Muscle balance
When all muscles surrounding a joint have optimal length-tension relationships, allowing the joint to rest in a neutral position.
67
Altered length-tension relationship
When a muscle’s resting length is too short or too long, reducing the amount of force it can produce.
68
Reciprocal inhibition
When an agonist receives a signal to contract, its functional antagonist also receives an inhibitory signal allowing it to lengthen.
69
Altered reciprocal inhibition
Occurs when an overactive agonist muscle decreases the neural drive to its functional antagonist.
70
Muscle imbalance
When muscles on each side of a joint have altered length-tension relationships.
71
Neutral position
The optimal resting position of a joint that allows it to function efficiently through its entire normal range of motion.
72
Stretch-shortening cycle
Loading of a muscle eccentrically to prepare it for a rapid concentric contraction.
73
Series elastic component
Springlike noncontractile component of muscle and tendon that stores elastic energy.
74
Amortization phase
The transition from eccentric loading to concentric unloading during the stretch-shortening cycle.
75
Stretch reflex
Neurological signal from the muscle spindle that causes a muscle to contract to prevent excessive lengthening.
76
Integrated performance paradigm
To move with efficiency, forces must be dampened (eccentrically), stabilized (isometrically), and then accelerated (concentrically).
77
Tendon
A fibrous connective tissue that connects muscle to bone.
78
Force-couple relationship
The synergistic action of multiple muscles working together to produce movement around a joint.
79
Joint support systems
Muscular stabilization systems located in joints distal of the spine.
80
Rotary motion
Movement of the bones around the joints.
81
Torque
A force that produces rotation; common unit of measurement is the Newton meter (Nm).
82
Motor behavior
Motor response to internal and external environmental stimuli.
83
Motor control
How the central nervous system integrates internal and external sensory information with previous experiences to produce a motor response.
84
Motor learning
Integration of motor control processes through practice and experience, leading to a relatively permanent change in the capacity to produce skilled motor behavior.
85
Motor development
Change in skilled motor behavior over time throughout the life span.
86
Muscle synergies
Groups of muscles that are recruited simultaneously by the central nervous system to provide movement.
87
Mechanoreceptors
Specialized structures that respond to mechanical forces (touch and pressure) within tissues and then transmit signals through sensory nerves.
88
Proprioception
The body’s ability to naturally sense its general orientation and relative position of its parts.
89
Sensorimotor integration
Cooperation of the nervous and muscular system in gathering and interpreting information and executing movement.
90
Feedback
Use of sensory information and sensorimotor integration to help the human movement system in motor learning.
91
Internal feedback
Process whereby sensory information is used by the body to reactively monitor movement and the environment.
92
External feedback
Information provided by some external source, such as a fitness professional, video, mirror, or heart rate monitor, to supplement the internal environment.
93
Neuromuscular efficiency
The ability of the nervous system to recruit the correct muscles to produce force, reduce force, and dynamically stabilize the body’s structure in all three planes of motion.
94

NASM CPT, 2025 (10 decks)

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