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Kinesiology > Gait (Muscle Activity) > Flashcards

Gait (Muscle Activity) Flashcards

(22 cards)

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1
Q

Heel Strike
Hip

A

20-40° of Hip Flexion
Glute Max and Hams eccentric to resist flexion moment
Erector spinae eccentric to resist forward bend

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2
Q

Heel Strike
Knee

A

Flexing as heel strikes the floor
Quads eccentric to control rapid knee flexion and prevent buckling

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3
Q

Heel strike
Ankle/Foot

A

Foot: supination (rigid) at heel contact
Ankle: neutral
DF eccentrical to slow plantar flexion

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4
Q

Foot Flat
Hip

A

Concentric Glute Max and Hams to extend hip
Erector spinae resist trunk flexion

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5
Q

Foot Flat Knee

A

In 15-20° of flexion moving toward extension

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6
Q

Knee after foot flat

A

Quads work concentrically to bring femur over tibia

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7
Q

Foot Flat
Ankle/Foot

A

DF activity decreasing
PF work eccentrically to control pronation

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8
Q

Midstance
Hip

A

Iliopsoas eccentric to resist extension
Glute med contracts in reverse action to stabilize opposite pelvis

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9
Q

Midstance
Knee

A

In 15° flexion moving toward extension
Quads decreasing
Eccentric PFs to control excessive knee extension

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10
Q

Midstance
Ankle

A

PF eccentric to control DF of tib & fib over fixed foot

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11
Q

Heel Off
Hip

A

Eccentric Iliopsoas to resist extension

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12
Q

Heel Off
Knee

A

Concentric gastroc to start knee flexion

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13
Q

Heel Off
Ankle

A

Supination as foot becomes rigid for push off
Concentric PF to prep for push off

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14
Q

Toe Off
Hip

A

Adductor longus work to control or stabilize pelvis
Concentric Iliopsoas

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15
Q

Toe Off
Knee

A

40° flexion
Eccentric Quad

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16
Q

Toe Off
Ankle

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A

PF muscles peak but become inactive as foot leaves ground and DF become active

17
Q

Acceleration to Midswing
Hip

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A

Concentric hip flexors
Eccentric glute max
Concentric-eccentric glute med to stabilize pelvis

18
Q

Acceleration to Midswing
Knee

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A

30-60° knee flexion
Concentric hams

19
Q

Acceleration to Midswing
Ankle

20
Q

Midswing to Deceleration
Hip

Study These Flashcards
A

continued flexion 30-40°
glute max slows hip flexion

21
Q

Midswing to Deceleration
Knee

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A

Moving to near full ext and slight lateral tibial rotation
Concentric quads and hams

22
Q

Midswing to Deceleration
Ankle

Kinesiology (14 decks)

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