Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biomech > Stairs > Flashcards

Stairs Flashcards

1
Q

Ascending Phases

A 
Loading response
Midstance elevation
Preswing
Early swing
Late swing
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Ascending

Loading Response

A

Ref limb initial contact -> contralat toe off

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Ascending

Mid stance elevation

A

Contralat toe off-> contralat contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Ascending

Preswing

A

Contrlat initial contact -> ref limb toe off

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Ascending

Early Swing

A

Toe off -> point where ref limb crosses contralat limb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Ascending

Late swing

A

Crossing contralat limb -> referance limb contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Ascending Loading Response

OBJECTIVES

A

Forward Progression

WB Stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Ascending Loading Response

CRITICAL EVENT

A 
Flat foot contact
Hip/knee extension (50-30/60-40)
Restrained DF (10-15)
Pelvic stability (frontal)
Forward trunk lean- FOR ALL!!!!!!
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ascending Loading Response

MUSCLE ACTION

A

HIP:
Sagital (con) EXT- glut max, ham, add mag
Frontal (iso) ABD- up glut max, glut med

KNEE:
Quads (con)

ANKLE:
PF (eccen)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Ascending Midstance Elevation

OBJECTIVES

A

WB Stability
Progress COM over/beyond BOS
Elevate COM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ascending Midstance Elevation

CRITICAL EVENTS

A 
Hip Extenstion (30-10)
Knee Extension (40-10)
Ankle PF (decreasing from 15-5)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ascending Midstance Elevation

MUSCLE ACTION

A

HIP:
Sagital (con) EXT- glut max, ham, add mag
Frontal (iso) ABD- up glut max, glut med

KNEE:
Quads (con)

ANKLE:
PF (con)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ascending Preswing

OBJECTIVES

A

Initiate limb advancement

Elevate COM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Ascending Preswing

CRITICAL EVENTS

A

Begin hip/knee flexion (10-20/10-30)

DF to PF with heal rise (5-10pf)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Ascending Preswing

MUSCLE ACTION

A

HIP:
Sagital (con) FLEX- rec fem

KNEE:
BFSH (con)

ANKLE:
PF (con)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ascending Early swing

OBJECTIVES

A

Limb advancement

Foot clearance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Ascending Early swing

CRITICAL EVENTS

A 
Hip FLexion (20-60)
Knee Flexion (30-60)
Ankle DF (10-10)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Ascending Early Swing

MUSCLE ACTION

A

HIP:
FLX (con)- RF, Illiacus, Psoas

KNEE:
BFSH (con)

ANKLE:
Ant Tib (con)
19
Q

Ascending Late Swing

OBJECTIVES

A

Complete limb advancement
Foot clearance
Prepare limb for stance

20
Q

Ascending Late Swing

CRITICAL EVENTS

A 
Hip Exten (60-50)
Knee Exten (80-60)
Ankle DF maintained (10)
21
Q

Ascending Late Swing

MUSCLE ACTIVATION

A

HIP:
EXT (con)- glut max

KNEE:
Quads (con)

ANKLE:
Ant Tib (iso)
22
Q

Descending stairs Phases

A 
Loading response
Midstance Lowering
Pre swing
Early Swing
Late swing
23
Q

Descending

Loading Response

A

Ref limb initial contact -> contralat toe off

24
Q

Descending

Mid stance Lowering

A

Contralat toe off-> contralat contact

25
Q

Descending

Preswing

A

Contralat initial contact -> ref toe off

26
Q

Descending

Early Swing

A

Toe off-> ref limb crosses contralat limb

27
Q

Descending

Late Swing

A

Ref limb crosses contralat -> ref limb contact

28
Q

Descending Loading Response

OBJECTIVES

A

Shock absorption
Modulated forward progression
WB stability- sag and frontal

29
Q

Descending Loading Response

CRITICAL EVENTS

A

Sustained hip flexion (20)
Restrained Knee flexion (10-20)
Restrained DF (20-10)
Backward trunk lean–FOR ALL!!!!!

30
Q

Descending Loading Response

MUSCLE ACTIVATION

A

HIP:
Sagital (iso) EXT- glut max, ham
Frontal (iso) ABD- up glut max, glut med

KNEE:
Quads (eccen)

ANKLE:
PF (eccen)

31
Q

Descending Mid stance Lowering

OBJECTIVES

A

WB stability
Prog COM over/beyond BOS
Lower COM

32
Q

Descending Mid stance Lowering

CRITICAL EVENTS

A 
Hip Flexion maintained (20)
Restrained Knee flexion (20-50)
Restrained DF (10-20)
Pelvic Stability (frontal)
33
Q

Descending Mid stance Lowering

MUSCLE ACTIVATION

A

HIP:
Sagital (ios) EXT
Frontal (iso/ecc) ABD

KNEE:
Quads (eccen)

ANKLE:
PF (eccen)

34
Q

Descending Pre Swing

OBJECTIVES

A

Initiate limb advancement

Preserve balance and stability

35
Q

Descending Pre swing

CRITICAL EVENTS

A 
Hip flexion (20-30)
Knee Flexion (50-70) restrained
Ankle PF (20d-15p)
36
Q

Descending Pre Swing

MUSCLE ACTIVATION

A 
HIP:
no activity (hip flex from knee flex)

KNEE:
Quads (eccen)

ANKLE:
Elastic recoil- residual tension in pfs leads to brisk PF

37
Q

Descending Early Swing

OBJECTIVES

A

Limb advancement

Foot Clearance

38
Q

Descending Early Swing

CRITICAL EVENTS

A 
Hip Flexion (30-40)
Knee Flexion (70-80)
Ankle DF (15-0)
39
Q

Descending Early Swing

MUSCLE ACTIVATION

A

HIP:
FLX (con)- RF

KNEE:
BFSH (con)

ANKLE:
Ant tib (con)
40
Q

Descending Late Swing

OBJECTIVES

A

Lenthen limb to contact next step

prepare for stance

41
Q

Descending Late Swing

CRITICAL EVENTS

A 
Hip Extension (40-20)
Knee Extension (80-10)
Ankle PF (0-20)
42
Q

Descending Late Swing

MUSCLE ACTIVATION

A

HIP:
Ext (con)- glut max
Hamstring extends hip and decelerates knee extension

KNEE:
Quads (con)

ANKLE:
PF (con)
followed by co-activation PF and DF

43
Q

Patient Complaints w/ Ascending

A

Tripping: swing (toe clearance)
Unstable: WT bear stabil phases
Pain: depends on condition
Slow: all phases

Biomech (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions