Informative of Surface Electromyography and Determination of Prognostic Factors in Assessing the Probability of Recovery of Balance and Gait Parameters in Patients With Ischemic Stroke on Acute Rehabilitation

Gait analysis with surface electromyography: Stride length (centimeters)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

the distance change between two heel contacts on the same side of the body.

Gait analysis with surface electromyography: Load change (seconds)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

Time change heel to forefoot.

Gait analysis with surface electromyography: Maximum force (Newton)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The average maximum force change reached in N/cm² for the three zones: toes, mid-foot and heel.

Gait analysis with surface electromyography: Maximum pressure (Newtons /square centimeter (N/cm²))

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The average maximum pressure reached in N/cm² for the three zones: toes, mid-foot and heel (left and right legs separately).

Gait analysis with surface electromyography: Time maximum force (percentage of stance time)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The change of the average point in time within a gait cycle where the maximum values for the three zones: toes, mid-foot and heel were collected in Newton.

Gait analysis with surface electromyography: Length of the gait line (millimeters)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The change from baseline of the progression of the center of pressure of all the steps recorded of one side of the body (left and right side of body separately).

Gait analysis with surface electromyography: Step width (centimeters)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The distance change between the right and left foot.

Gait analysis with surface electromyography: Velocity (kilometers/hour)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

Average gait speed change from baseline during the analyzed measuring interval (30 seconds).

Gait analysis with surface electromyography: Swing phase (percentage)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

Change from baseline of the phase of a gait cycle during which the foot has no contact with the ground.

Gait analysis with surface electromyography: Double stance phase (percentage)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The phase change from baseline during a gait cycle that begins at contralateral initial contact (when the heel of the contralateral side touches the ground) and ends at toe off of the viewed side of the body.

Gait analysis with surface electromyography: Foot rotation (degree)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The change from baseline of the angle between the longitudinal axis of the foot and the walking direction.

Gait analysis with surface electromyography: surface electromyography signals (microvolts)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

Surface electromyography measurements of key muscles (muscle rectus femoris, muscle biceps femoris, muscle gastrocnemius, lateral head, muscle tibialis anterior) with a disposable dual surface electrode. Change of surface electromyography signals during walking on treadmill for 30 seconds.

Gait analysis with surface electromyography: Anterior/Posterior Position (millimeters)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The shift change forwards or backwards of the Center of pressure.

Gait analysis with surface electromyography: Lateral symmetry (millimeters)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The change from baseline of the left /right shift of the center of pressure, taking all the steps into consideration. A negative value indicates a shift to the left, and a positive value, a shift to the right.

Gait analysis with surface electromyography: Step time (seconds)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

Time change during the phase within a gait cycle between the heel contact of one side of the body and the heel contact of the contralateral side.

Gait analysis with surface electromyography: Step length (centimeters)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

Change of the distance between the heel contact of one side of the body and the heel contact of the contralateral side.

Muscle strength by Oxford scale

时间窗: Baseline

Testing key muscles from the lower extremities (muscle rectus femoris, muscle biceps femoris, muscle gastrocnemius, lateral head, muscle tibialis anterior) against the examiner's resistance and grading the patient's strength on a 0 (No contraction) to 5 (Movement against gravity with full resistance) scale.

Gait analysis with surface electromyography: Contact time (percentage of stance time)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The average contact time change of the three zone toes, mid-foot and heel as a percentage.

Gait analysis with surface electromyography: Cadence (steps/minutes)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

Change from baseline of step frequency.

Gait analysis with surface electromyography: Stance phase (percentage)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

The phase of a gait cycle change in which the foot has contact with the ground.

Stance analysis: Step width (centimeters)

时间窗: Baseline, approximately 2 days before the end of acute rehabilitation

Change from baseline of the averaged load distribution of the left and right forefoot or heel, as well as the load distribution of the left and right contact surface in per cent.