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ASSESSMENT

Use PhysioSensing for several balance assessment protocols and baropodometric examination

Physical Rehabilitation

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  1. modified Clinical Test Of Sensory Interaction on Balance - mCTSIB

  2. Limits of Stability - LOS

  3. Weight Bearing/Squat - WBS

  4. Rhythmic Weight Shift - RWS

  5. Unilateral Stance - US

  6. Fall Risk - FR

  7. Sit to Stand - STS

  8. Romberg Test - RT

  9. Balance Error Scoring System - BESS

  10. Body Sway 

  11. Feet Pressure Map

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Âncora 1

modified Clinical Test of Sensory Interaction on Balance

- mCTSIB

mCTSIB protocol allows the measurement of static balance in four sensorial conditions:

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1- Stable surface and open eyes;

2- Stable surface and closed eyes;

3- Surface instable and eyes open;

4- Surface instable and eyes closed.

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Outputs with normative values comparation:  Sway velocity; mean sway velocity, composite sway velocity; CoP alignment

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Âncora 2

Limits of Stability - LOS

LOS protocol quantifies the directional control and the maximum distance that the patient can reach with its center of pressure in 8 different directions: front, front/right, right, back/right, back, back/left, left and front/left. The distances of the limits of stability are calculated according to the height of the patient's center of gravity. 

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Outputs with normative values comparation:  Reaction time, Movement Velocity, Endpoint Excursion, Maximum Excursion, Directional Control

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Âncora 3

Weight Bearing Squat - WBS

The WBS protocol allows observation of weight distribution in the sagittal plane with the patient standing up with different knee flexion angles: 0º, 30º, 60º and 90º.

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Outputs with normative values comparation:  Percentage of body weight for each angle

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Âncora 4

Rhythmic Weight Shift - RWS

Use the RWS protocol to evaluate the transfer capacity of the center of pressure rhythmically in the sagittal and anteroposterior plane, at three different velocities: slow, moderate and fast. This protocol measures the velocity in the axis and the movement control between two targets at 50% of patient’s LOS. 

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Outputs with normative values comparation:  On-axis velocity, Composite on-axis velocity, Directional control, Composite directional control

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Âncora 5

Unilateral Stance - US

Use US protocol to measure the balance in four conditions:

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1- Left foot lifted up with eyes open;

2- Left foot lifted up with eyes closed; 

3- Right foot lifted up with eyes open;

4- Right foot lifted up with eyes closed.

 

Each condition has three trials of 10 seconds. This protocol also allows to evaluate the difference of oscillation (in percentage) between the left and right side with the eyes opened and closed. 

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Outputs with normative values comparation:  Sway velocity, Mean sway velocity, Sway velocity difference​

Âncora 6

Fall Risk - FR

The FR protocol measures the static balance in four conditions:

 

1- Comfortable stance with eyes open;

2- Comfortable stance with eyes closed,

3- Narrow stance with eyes open

4- Narrow stance with eyes closed.

 

After performing all the conditions of the protocol, the value of the sway velocity index for each of the conditions appears. This sequence of tests can provide a fall risk prediction. 

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Outputs with normative values comparation:  Velocity, Composite velocity, Sway velocity index, Composite SVI, Z-score, Composite Z-score

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Sit to Stand

STS protocol quantifies the ability to lift as quickly as possible from a sitting position to a standing position without using the arms. This protocol has three trials.

 

Outputs with normative values comparation:

  • Weight time transfer

  • Rising index

  • Mean sway velocity

  • Left/Right symmetry

Âncora 7

Romberg Test - RT

Romberg Test allows the evaluation of postural control with feet together with the eyes open and closed during a predefined time.

  1. Stable surface and eyes opened;

  2. Stable surface and closed eyes;

  3. Unstable surface and eyes opened;

  4. Unstable surface and eyes closed.

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After performing all the conditions, several parameters obtained from the center of pressure (COP) appear:

  • COP displacement;

  • Ellipse area;

  • Mean velocity, as well as its standard deviation;

  • Standard deviation of the anteroposterior and mediolateral COP;

  • Romberg's Quotient Score for the parameters length, area and velocity.

Âncora 8

Balance Error Scoring System - BESS

The BESS protocol allows the measurement of postural stability in 6 different conditions with closed eyes:

  1. Two feet together on a firm surface;

  2. Non-dominant foot on a firm surface;

  3. Tandem position on a firm surface;

  4. Two feet together on an unstable surface;

  5. Non-dominant foot on an unstable surface;

  6. Tandem position on an unstable surface.

 

At the end of each condition, the number of errors that occurred during the test can be inserted in the interface. After performing all the conditions, the values of the sway index and mean sway velocity for each of the conditions appear.

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Âncora 10

Body Sway

Use Body Sway to create a personalized protocol to measure several characteristics of postural control. It allows the selection of the following input parameters: Visual system; Proprioceptive system; Stance position; Upper extremities; Knee flexion angle; Test time; Rest countdown; Trials number and Frequency acquisition.

After performing all the trials, the statokinesigrams and stabilograms of each test appear, as well as several parameters obtained from the center of pressure (COP):

 

Global analysis:
- Ellipse area;
- COP displacement;
- Mean COP, as well as its standard deviation;
- Mean of the anteroposterior and mediolateral COP, as well as its standard deviation;
- Root mean square of the anteroposterior and mediolateral COP;
- Range of the anteroposterior and mediolateral COP;
- Mean velocity, as well as its standard deviation;
- Mean velocity of the anteroposterior and mediolateral COP.

 

Anteroposterior and Mediolateral Spectral analysis:
- Peak, mean and median frequency;
- Frequency at 70.7%, 80%, 85%, 90%, 95%, 99%.

Feet Pressure Map

Use the plantar pressure map to obtain the pressure points of the foot. Beyond the pressure, the load distribution in the sagittal and anteroposterior planes as well as the coordinates of the pressure center can be acquired. The areas with peaks of pressure are represented by the red color and the ones with less pressure in dark blue. It is also possible to click in a square of the map to obtain the weight (in kg) that is being made in that square. 

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Outputs:  Feet pressure map image; CoP coordinates, Load distribution

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