Stairs

Question 1

Ascending Phases

Answer 1

Loading response
Midstance elevation
Preswing
Early swing
Late swing

Question 2

Ascending

Loading Response

Answer 2

Ref limb initial contact -> contralat toe off

Question 3

Ascending

Mid stance elevation

Answer 3

Contralat toe off-> contralat contact

Question 4

Ascending

Preswing

Answer 4

Contrlat initial contact -> ref limb toe off

Question 5

Ascending

Early Swing

Answer 5

Toe off -> point where ref limb crosses contralat limb

Question 6

Ascending

Late swing

Answer 6

Crossing contralat limb -> referance limb contact

Question 7

Ascending Loading Response

OBJECTIVES

Answer 7

Forward Progression

WB Stability

Question 8

Ascending Loading Response

CRITICAL EVENT

Answer 8

Flat foot contact
Hip/knee extension (50-30/60-40)
Restrained DF (10-15)
Pelvic stability (frontal)
Forward trunk lean- FOR ALL!!!!!!

Question 9

Ascending Loading Response

MUSCLE ACTION

Answer 9

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

KNEE:
Quads (con)

ANKLE:
PF (eccen)

Question 10

Ascending Midstance Elevation

OBJECTIVES

Answer 10

WB Stability
Progress COM over/beyond BOS
Elevate COM

Question 11

Ascending Midstance Elevation

CRITICAL EVENTS

Answer 11

Hip Extenstion (30-10)
Knee Extension (40-10)
Ankle PF (decreasing from 15-5)

Question 12

Ascending Midstance Elevation

MUSCLE ACTION

Answer 12

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

KNEE:
Quads (con)

ANKLE:
PF (con)

Question 13

Ascending Preswing

OBJECTIVES

Answer 13

Initiate limb advancement

Elevate COM

Question 14

Ascending Preswing

CRITICAL EVENTS

Answer 14

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

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

Question 15

Ascending Preswing

MUSCLE ACTION

Answer 15

HIP:
Sagital (con) FLEX- rec fem

KNEE:
BFSH (con)

ANKLE:
PF (con)

Question 16

Ascending Early swing

OBJECTIVES

Answer 16

Limb advancement

Foot clearance

Question 17

Ascending Early swing

CRITICAL EVENTS

Answer 17

Hip FLexion (20-60)
Knee Flexion (30-60)
Ankle DF (10-10)

Question 18

Ascending Early Swing

MUSCLE ACTION

Answer 18

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

KNEE:
BFSH (con)

ANKLE:
Ant Tib (con)

Question 19

Ascending Late Swing

OBJECTIVES

Answer 19

Complete limb advancement
Foot clearance
Prepare limb for stance

Question 20

Ascending Late Swing

CRITICAL EVENTS

Answer 20

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

Question 21

Ascending Late Swing

MUSCLE ACTIVATION

Answer 21

HIP:
EXT (con)- glut max

KNEE:
Quads (con)

ANKLE:
Ant Tib (iso)

Question 22

Descending stairs Phases

Answer 22

Loading response
Midstance Lowering
Pre swing
Early Swing
Late swing

Question 23

Descending

Loading Response

Answer 23

Ref limb initial contact -> contralat toe off

Question 24

Descending

Mid stance Lowering

Answer 24

Contralat toe off-> contralat contact

Question 25

Descending | Preswing

Answer 25

Contralat initial contact -> ref toe off

Question 26

Descending | Early Swing

Answer 26

Toe off-> ref limb crosses contralat limb

Question 27

Descending | Late Swing

Answer 27

Ref limb crosses contralat -> ref limb contact

Question 28

Descending Loading Response | OBJECTIVES

Answer 28

Shock absorption Modulated forward progression WB stability- sag and frontal

Question 29

Descending Loading Response | CRITICAL EVENTS

Answer 29

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

Question 30

Descending Loading Response | MUSCLE ACTIVATION

Answer 30

HIP: Sagital (iso) EXT- glut max, ham Frontal (iso) ABD- up glut max, glut med KNEE: Quads (eccen) ANKLE: PF (eccen)

Question 31

Descending Mid stance Lowering | OBJECTIVES

Answer 31

WB stability Prog COM over/beyond BOS Lower COM

Question 32

Descending Mid stance Lowering | CRITICAL EVENTS

Answer 32

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

Question 33

Descending Mid stance Lowering | MUSCLE ACTIVATION

Answer 33

HIP: Sagital (ios) EXT Frontal (iso/ecc) ABD KNEE: Quads (eccen) ANKLE: PF (eccen)

Question 34

Descending Pre Swing | OBJECTIVES

Answer 34

Initiate limb advancement | Preserve balance and stability

Question 35

Descending Pre swing | CRITICAL EVENTS

Answer 35

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

Question 36

Descending Pre Swing | MUSCLE ACTIVATION

Answer 36

``` HIP: no activity (hip flex from knee flex) ``` KNEE: Quads (eccen) ANKLE: Elastic recoil- residual tension in pfs leads to brisk PF

Question 37

Descending Early Swing | OBJECTIVES

Answer 37

Limb advancement | Foot Clearance

Question 38

Descending Early Swing | CRITICAL EVENTS

Answer 38

``` Hip Flexion (30-40) Knee Flexion (70-80) Ankle DF (15-0) ```

Question 39

Descending Early Swing | MUSCLE ACTIVATION

Answer 39

HIP: FLX (con)- RF KNEE: BFSH (con) ``` ANKLE: Ant tib (con) ```

Question 40

Descending Late Swing | OBJECTIVES

Answer 40

Lenthen limb to contact next step | prepare for stance

Question 41

Descending Late Swing | CRITICAL EVENTS

Answer 41

``` Hip Extension (40-20) Knee Extension (80-10) Ankle PF (0-20) ```

Question 42

Descending Late Swing | MUSCLE ACTIVATION

Answer 42

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

Question 43

Patient Complaints w/ Ascending

Answer 43

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