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ENS 307 > Motor Control of Gait > Flashcards

Motor Control of Gait Flashcards

1
Q

How do you achieve progression?

A
  • Basic locomotor pattern
  • Go from one point to the next
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2
Q

Requirements of gait

A
  • Progression, postural control, adaptation
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3
Q

Stance phase

A

60% of gait cycle (foot’s on the ground)

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4
Q

Swing phase

A

40% of gait cycle (limb advancement)

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5
Q

What’s the purpose of initial contact and loading response?

A

Weight acceptance

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6
Q

Objective of initial contact

A

Position limb to start stance

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7
Q

Objective of loading response

A

Shock absorption, weight-bearing stability

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8
Q

What occurs within single limb support?

A

Mid stance, terminal stance

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9
Q

Objective of mid stance

A

Progress over stationary foot, trunk stability

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10
Q

Objective of terminal stance

A

Progress beyond supporting foot

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11
Q

What is the purpose of the swing periods?

A

Limb advancement

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12
Q

Objective of pre-swing

A

Position limb for swing

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13
Q

Objective of initial swing

A

Foot clearance

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14
Q

Objective of mid swing

A

limb advancement & foot clearance

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15
Q

Objective of terminal swing

A

Finish limb advancement, prepare for stance

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16
Q

What occurs within double support?

A
  • Initial contact, loading response
  • Pre-swing (double support II)
17
Q

Cadence

A

steps/unit of time

18
Q

How do we quantify gait

A

Temporal/distance factors, kinematics, kinetics, muscle activation patterns

19
Q

Temporal/distance factors

A

cadence, step length, stride length

20
Q

What body movements do we look at in kinematics of gait?

A
  • Plantar/dorsiflexion & in/eversion of ankles
  • Flexion/extension of knee
  • Flexion/extension, ab/adduction, in/external rotation of hip
21
Q

Inertial Measurement Units

A

Attaches to body segment to estimate movement

22
Q

Muscle activation for postural control and progression

A
  • Postural control: eccentric contraction of quads, tibialis ant. at initial stance
  • Progression: concentric contraction of plantar flexors at end of stance phase
23
Q

What does the mesencephalic locomotor region help with?

A

Weight support, active propulsion

24
Q

What does the cerebellum help with?

A

modulate step cycle

25
Q

What does the basal ganglia help with?

A

initiation and termination of movement

26
Q

What does the primary visual cortex help with?

A

send sensory info to motor cortex

27
Q

When do we utilize reactive strategies?

A

unexpected disturbances

28
Q

When do we utilize proactive strategies?

A

expected disturbances

29
Q

What are examples of proactive strategies?

A
  • Avoidance: sensory info used to modify gait
  • Accomodation: long term

ENS 307 (6 decks)

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