S1_L3: STS and Walking Flashcards
TRUE OR FALSE: Increasing walking speed, increases time spent in double support
False
TRUE OR FALSE: Cadence is the number of steps per unit time
True
TRUE OR FALSE: Stride length is the distance from one foot strike to the foot strike of the other foot.
False
TRUE OR FALSE: In level walking, the path of the COM describes a sinusoidal cycle
True
TRUE OR FALSE: Stance phase ends at heel strike
False
TRUE OR FALSE: During push off, the ankle dorsiflexors are actively contracting concentrically.
False
TRUE OR FALSE: Extension of the hip is essential in setting up the propulsion of push-off
True
TRUE OR FALSE: Swing phase begins at toe off with ankle plantarflexion, knee flexion, and hip extension
True
TRUE OR FALSE: The knee is in slight flexion upon heel strike
True
TRUE OR FALSE: In pre-swing, there is 20 degrees of ankle dorsiflexion
False
TRUE OR FALSE: At midstance, the pelvis shifts laterally 4-5cm toward the stance leg
True
TRUE OR FALSE: Movement of the upper body over the stance hip is associated with some external rotation.
False
CASE: A pt c chronic (R) hemiplegia came back for re-evaluation and continuation of physical therapy management secondary to persistent gait deviation. Pt states that he still has still difficulty walking. Upon examination you noted forefoot upon initial contact and inadequate hip extension at the end of stance.
The following are the most probable causes of the gait problem of the patient, EXCEPT:
A. tightness of soleus
B. early activation of gastrocnemius
C. weakness of rectus femoris
D. stiffness of calf
C. weakness of rectus femoris
CASE: A pt c chronic (R) hemiplegia came back for re-evaluation and continuation of physical therapy management secondary to persistent gait deviation. Pt states that he still has still difficulty walking. Upon examination you noted forefoot upon initial contact and inadequate hip extension at the end of stance.
The following are the most appropriate therapeutic exercise intervention for the patient. (Choose how many answers are applicable)
A. heel raises on the edge of a short platform x30 reps
B. ball kicking outside parallel bars
C. supine hip extension with the foot on a chair
D. heel slides in sitting
C & D only
_____ is the ability to move the body mass forward from over a large base of support to a small base of support and to extend the lower limb joints to raise the body mass over the feet
Sit-to-stand
BOS in sitting starts from the (1)_____ to tip of (2)_____
- tip of toe
- ischial tuberosity
Determine in which phase are the following movements seen.
- Vertical movement of body mass
- CKC dorsiflexion of ankles
- HAT goes into extension
- HAT goes into flexion
- Feet move backward posterior to the knee joint
A. Pre-extension Phase
B. Extension Phase
- B
- A
- B
- A
- A
Enumerate the 5 critical components of STS.
- Initial foot placement
- Flexion at the hips with trunk extended
- Thighs off
- Dorsiflexion of ankles
- Extension of hips and knees
The STS phase is separated at the period of the ______.
thigh off
NOTE: However, there is actually no clear cut partition between the two phases, instead they form one continuous translatory movement of the body mass from horizontal to vertical movement without a pause.
TRUE OR FALSE: The longer duration of the extension phase of sit-to-stand, the less muscle force is necessary to be generated.
False
Determine in which phase are the following movement seen.
- Movement of thighs forward as we build the momentum of propelling the body mass from sitting to standing
- Flexion at the hips with trunk extended
- Extension of hips and knees
- Dorsiflexion of ankles
- Initial foot placement
A. pre-extension phase
B. extension phase
C. transition phase
- A & C
- A
- B
- B & C
- A
Approximately how many degrees of trunk flexion at the hip is preferred in STS?
60 degrees
How many degrees must DF be in STS relative to the anatomical position ?
0-10/15 degrees
Extension of hip and knees happens in what kind of kinematic chain?
Closed
Fill in the blanks.
Mechanical requirements of STS are the following:
- Generation of ____ & _____ momentum
- Generation and sustaining of _____ limb joint forces
- Postural stability at _______
- horizontal and vertical
- lower
- thighs-off
Why is the good leg preferred to take the first step when a pt uses a cane?
This is to pre-stretch the iliopsoas, activating its spring component, and contract concentrically
TRUE OR FALSE: Quad cane does not provide a functional capability to stroke pts
True
Reliance on these is not optimal. The end goal must be the removal of the quad-cane
Where must a PT guard its patient during STS exercises?
posterolateral to the affected side
TRUE OR FALSE: Standing up from the chair and sitting down are functional activities commonly performed on a daily basis. The coupled motion actions are essential for independent living and is a prerequisite for upright mobility.
True
TRUE OR FALSE: In standing, BOS is how big your foot is
True
The most significant adaptation seen in stroke patients is symmetrical weight bearing during both standing up and sitting down. Lack of independence in standing up and sitting down is a common source of falls.
A. Both statements are correct
B. Both statements are incorrect
C. Only the 1st statement is correct
D. Only the 2nd statement is correct
D. Only the 2nd statement is correct
STS phases: Weight shift, transition, lift
A. Schenkmann
B. Millington
C. Rodowski
D. Carr, Shepherd, Gentile
B. Millington
STS phases: forward hip thrust phase, extension phase
A. Schenkmann
B. Millington
C. Rodowski
D. Carr, Shepherd, Gentile
C. Rodowski
STS phases: Pre-extension and extension phase
A. Schenkmann
B. Millington
C. Rodowski
D. Carr, Shepherd, Gentile
D. Carr, Shepherd, Gentile
STS phases: Flexion momentum phase, Momentum transfer phase, Extension phase, Stabilization phase
A. Schenkmann
B. Millington
C. Rodowski
D. Carr, Shepherd, Gentile
A. Schenkmann
They are known as the Kings of Motor Learning (Motor Relearning Program)
Carr and Shepherd
Determine in which phase are the following movement seen.
- Rotation of upper body (head, arms, trunk) forward
- Forward movement of thighs
- Shank (tibia and fibula) moves forward over the ankle
A. pre-extension phase
B. extension phase
C. both
- A
- C
- B
- Happens in pre-extension phase
- Happens in extension phase
- Generated to move body mass forward over the feet
- Posterior movement of the trunk
- Anterior movement of the thighs
A. Horizontal Momentum
B. Vertical Momentum
- A
- B
- A
- B
- B
Angular motions of the hip, knee, and ankle are critical in the development of _______ of the whole body during the later portion of STS
horizontal motion
Angular motions of the knee and hip is important in the development of _______ of the whole body during STS
upward or vertical velocity
In sitting, GRF is neutral. In sit-off, GRF decreases
A. Both statements are correct
B. Both statements are incorrect
C. Only the 1st statement is correct
D. Only the 2nd statement is correct
C. Only the 1st statement is correct
_______ is known as the force applied towards the ground
Ground Reaction Force