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AFAA Recertification > Human Movement System > Flashcards

Human Movement System Flashcards

1
Q

Another name for Kinetic Chain

A

Human movement system

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2
Q

The Kinetic chain is made up of what components

A

nervous, muscular, and skeletal systems These systems work together to support mechanisms such as cardiorespiratory, digestive, and endocrine system to function

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3
Q

Nervous system does what

A

tells the musculoskeletal system of the body when and how to move. Collects all sensory 9info and sends a movement response

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4
Q

What is proprioception

A

the awareness and perception of body position and limb movements

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5
Q

Muscle spindles

A

mechanoreceptors found in skeletal muscles that measure the amount and rate of stretch. When the muscle is lengthened too much or too quickly, the muscle spindle sends message to the CNS resulting in muscular contraciton as a protective response.

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6
Q

Golgi tendon organs

A

located where the muscle and tendon coverge the GTO measures the amount and rate of tension that develops within the muscle. After 20-30 seconds of GTO Stimulation when stretching it will signal the muscle to relax.

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7
Q

Type 1 Fibers

A

Slow twitch fibers slower to reach maximal contraciton Highly aerobic. Long-term contractions/stabilization.

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8
Q

Type 2 Fibers

A

Fast twitch more anerobic, HIIT, sprinting, plyo jumping Force and power

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9
Q

What is an agonist muscle?

A

The muscle that works as the prime mover of a joint exercise.

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10
Q

What is a synergist

A

muscle that assist the prime mover in a joint action

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11
Q

organelles that contain genetic material and enzymes necessary for cell metablism, converting food to energy

A

mitochondria

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12
Q

muscles that opposes prime mover

A

antagonist

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13
Q

what connects bone to bone

A

ligament

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14
Q

What connects bone to muscle

A

tendon

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15
Q

portion of the skeletal system consisting of the bones of the skull, rib cage and vertebral column

A

Axial skeleton

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16
Q

portion of the skeleton that includes the bones that support the upper and lower extremeties

A

Appendicular skeleton

17
Q

what are the three components of the human movement system

A

nervous system, muscular system, skeletal system

18
Q

muscles moving together to produce movement around a joint

A

force-couple relationship

19
Q

simulataneous contraction of one muscle and the relaxation of its antagonist to allow movment to take place

A

REciprocal inhibiation

20
Q

Which is a common underactive muscle of the knee

A

VMO Vastus Medialis oblique

21
Q

Common overactive muscles of the knee

A

Bicep femoris TFL tensor fascia latae

22
Q

Common overactive muscles of shoulder

A

latissimus dorsi, pectoralis major/minor

23
Q

Common underactive muscles of shoulder

A

middle and lower trap, rhomboids, rotator cuff

24
Q

What is the formula for cardiac output

A

heart rate X stroke volume. This is a measure of the overall performance of the heart.

25
Q

What is ATP

A

energy storage and transfer unit within the cells of the body

26
Q

organelle that contains genetic material and enzymes necessary for cell metabolism, coverting food to energy

A

mitochondria

27
Q

metabolic pathways

A

a series of chemical reactions that either break down or build up compounds in the blood

28
Q

3 pathways to energy

A

ATP PC System,, Glycolysis, Aerobic processes

29
Q

ATP-PC time

A

upe to 15 seconds

30
Q

glycolysis time

A

up to 3 minutes

31
Q

oxidative system time

A

over 3 minutes

32
Q

3 planes of motion

A

saggital frontal transverse

33
Q

Saggital plane divides body________ movements move_________ such as______________ imaginary walls are____________

A

R/L, forward and backward, walking, cycling, squatting, walls are parallel to the left and right side of a person

34
Q

Frontal plane divides body___________ movements occur____________ such as__________imgainary walls are_____________

A

front half and back half, side to side, jumping jacks and side lunges, walls in front and behind body

35
Q

Transverse plane divides body___________ movements are _____________- such as______________

A

top and bottom, movements parallel to this imaginary line, mostly rotational motions, lunges with rotation and roundhouse kicks

36
Q

biomechanics

A

how forces affect a living body

37
Q

sternum is medial to

A

shoulder

AFAA Recertification (1 decks)

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