Running Gait (Intro and Kinematics) Flashcards

(67 cards)

1
Q

Running gait velocity

A

increases from 2.5m/sec to 10m/sec

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2
Q

Running gait GRFs

A

increased

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3
Q

Step width during running gait

A

decreases and eventually becoming 0

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4
Q

Running toe out

A

4-9°

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5
Q

running pace speed

A

2-5x walking speed

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6
Q

initial contact running gait

A

varies

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7
Q

running gait cadence

A

increases

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8
Q

running gait step length

A

increases

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9
Q

running gait eccentric activity

A

increases

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10
Q

What provides momentum during swing

A

arms and legs

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11
Q

CoM in running gait

A

lowered

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12
Q

3 phases of stance

A

absorption
midstance
propulsion

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13
Q

Swing vs stance in running

A

swing is longer

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14
Q

Events

A

Initial contact
Mid stance
Heel off
Toe off
Mid swing

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15
Q

Periods

A

Loading response
Pre swing
Early swing
Late swing

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16
Q

How can foot striking occur in running gait

A

rearfoot strike (common)
midfoot strike
forefoot strike

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17
Q

Running Sagittal Plane Kinematics
Trunk

A

flexes and extends ~5-10° (position remains within 2-13° of flexion)

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18
Q

Running Sagittal Plane Kinematics
Trunk
Flexion is least at:

A

initial contact

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19
Q

Running Sagittal Plane Kinematics
Trunk
Flexion is greatest at:

A

after mid stance

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20
Q

Running Sagittal Plane Kinematics
Trunk flexion as speed increases

A

trunk flexed position increased at IC

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21
Q

Running Sagittal Plane Kinematics
Pelvis
Average anterior tilt

A

15-20°

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22
Q

Running Sagittal Plane Kinematics
Pelvis
After IC

A

PPT until about 10%

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23
Q

Running Sagittal Plane Kinematics
Pelvis
After 10%

A

APT maximum at toe off

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24
Q

Running Sagittal Plane Kinematics
Hip
IC ROM

A

35° of flexion

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25
Running Sagittal Plane Kinematics Hip Extension throughout remainder of stance
maximum ext of 0-5° occurs near toe off
26
Running Sagittal Plane Kinematics Hip Flexion during early swing
Occurs to advance swing limb forward
27
Running Sagittal Plane Kinematics Hip Extension before next IC
To minimize loss of running speed
28
Running Sagittal Plane Kinematics Knee IC
flexed between 10-20°
29
Running Sagittal Plane Kinematics Knee Near mid stance
Maximum flexion of 45-50°
30
Running Sagittal Plane Kinematics Knee 2nd half of stance
Knee extension
31
Running Sagittal Plane Kinematics Knee Slightly before toe off
flexion of 20°
32
Running Sagittal Plane Kinematics Knee Flexion angle during mid swing
100-120°
33
Running Sagittal Plane Kinematics Ankle IC
0-5 DF
34
Running Sagittal Plane Kinematics Ankle Near mid stance
max 30 DF
35
Running Sagittal Plane Kinematics Ankle Pre swing
PF
36
Running Sagittal Plane Kinematics Ankle just after toe off
max 10-20 PF
37
Running Sagittal Plane Kinematics Ankle Through early swing
DF, followed by gradual PF to reposition the foot in slight DF at subsequent IC
38
Running Sagittal Plane Kinematics 1st MTP IC
ext 10, but returns to neutral position until heel off
39
Running Sagittal Plane Kinematics 1st MTP At hell off
Max ext of 30 just before toe off
40
Running Sagittal Plane Kinematics 1st MTP Swing
Neutral
41
Running Sagittal Plane Kinematics 1st MTP Extension compared to walking
Less, because less knee flexion at toe off= less 1st MTP ext
42
Running Frontal Plane Kinematics Trunk
Lateral flexion 10° (5° in each direction) Maximum lateral flexion at ipsilateral foot contact
43
Running Frontal Plane Kinematics Pelvis
Laterally tilts 10°
44
Running Frontal Plane Kinematics Hip Immediately before midstance
maximum adduction 8-10°
45
Running Frontal Plane Kinematics Hip Remainder of stance
Hip abducts and remains so during early swing
46
Running Frontal Plane Kinematics Hip Late swing and subsequent contact
Return to adduction
47
Running Frontal Plane Kinematics Hip What is associated with patellofemoral joint pain
Excessive peak adduction during stance
48
Running Frontal Plane Kinematics Knee
Min/No motion
49
Running Frontal Plane Kinematics Subtalar Joint IC
Variable 5° INV to 10° EV
50
Running Frontal Plane Kinematics Subtalar joint Initial stance
mostly eversion
51
Running Frontal Plane Kinematics Subtalar joint 20%
Peak ev
52
Running Frontal Plane Kinematics Subtalar joint Rest of stance
joint inverts to initial position for toe off
53
Horizontal Plane Kinematics Trunk
Less mvmt in lower trunk compared to upper trunk
54
Horizontal Plane Kinematics Trunk Rotation
max rotation 5° to R just before R IC, progressive rotation to L throughout stance phase max rotation 5° to L just after toe off on R LE then R rotation throughout swing phase
55
Horizontal Plane Kinematics Pelvis
Rotates 10-15° equal IR/ER
56
Horizontal Plane Kinematics Pelvis R IC
pelvic external rotation
57
Horizontal Plane Kinematics pelvis After R IC
IR through rest of stance to neutral at toe off
58
Horizontal Plane Kinematics Pelvis Max IR
@ mid swing
59
Horizontal Plane Kinematics Hip
Max 10° small change in early swing avg rotation is near 0° or neutral
60
Horizontal Plane Kinematics Knee Initial 1/2 stance phase
5-10° IR
61
Horizontal Plane Kinematics Knee 2nd half of stance
5-10° ER
62
UE Kinematics during running Arm
decreases metabolic demands of running by 3% compared to no swig
63
UE Kinematics during running Shoulder
out of phase with hip
64
UE Kinematics during running Shoulder IC
extended 40°
65
UE Kinematics during running Shoulder stance and toe off
progressively flexes, reaches 10° near toe off
66
UE Kinematics during running Shoulder Swing phase
returns to 40° ext to prep for next IC
67
UE Kinematics during running Elbow
Held near 90° of flexion throughout cycle