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Analysis of Vertical Ground Reaction Force Variables Using Foot Scans in Hemiplegic Patients.

Kim HD, Kim JG, Jeon DM, Shin MH, Han N, Eom MJ, Jo GY - Ann Rehabil Med (2015)

Bottom Line: The GRF results were compared between the hemiplegic patients and control individuals, and between the affected and unaffected limbs of hemiplegic patients.The MAS, Brunnstrom stage and Timed Up and Go Test results were significantly correlated with the VFI of the unaffected limbs (p<0.05).Therefore, these results suggest that unaffected limbs should also be taken into consideration in these patients.

View Article: PubMed Central - PubMed

Affiliation: Department of Physical Medicine and Rehabilitation, Inje University Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.

ABSTRACT

Objective: To analyze the differences in the vertical ground reaction force (GRF) variables of hemiplegic patients compared with a control group, and between the affected and unaffected limbs of hemiplegic patients using foot scans.

Methods: Patients (n=20) with hemiplegia and healthy volunteers (n=20) underwent vertical force analysis. We measured the following: the first and second peak forces (F1, F2) and the percent stances at which they occurred (T1, T2); the vertical force impulse (VFI) and stance times. The GRF results were compared between the hemiplegic patients and control individuals, and between the affected and unaffected limbs of hemiplegic patients. Additionally, we analyzed the impulse of the unaffected limb according to the motor assessment scale (MAS), Brunnstrom stage, and a Timed Up and Go Test.

Results: The F1s and F2s of the affected and unaffected limbs were significantly less than those of the normal control individuals (p<0.05). The T1s of both the affected and unaffected limbs of the patients were greater than control individuals, whilst the T2s were lower (p<0.05). Greater impulses and stance times were recorded on both sides of the patients than in the limbs of the control individuals (p<0.05). The MAS, Brunnstrom stage and Timed Up and Go Test results were significantly correlated with the VFI of the unaffected limbs (p<0.05).

Conclusion: The high impulse values of the unaffected limb were associated with complications during gait rehabilitation. Therefore, these results suggest that unaffected limbs should also be taken into consideration in these patients.

No MeSH data available.


Related in: MedlinePlus

(A) Timed Up and Go Test showed a positive correlation, (B) motor assessment scale, and (C) Brunnstrom stage showed a negative correlation with vertical force impulse. IMP, impulse; N, newton; BW, body weight (kg).
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Figure 2: (A) Timed Up and Go Test showed a positive correlation, (B) motor assessment scale, and (C) Brunnstrom stage showed a negative correlation with vertical force impulse. IMP, impulse; N, newton; BW, body weight (kg).

Mentions: Stance time was significantly shorter in the paralyzed and normal legs of the control group than in those of the patient group (p<0.05). The impulse value differed significantly among the control, paralyzed, and normal legs groups. In addition, significant correlations between the impulse values of the normal legs of the patient group and motor recovery were revealed by the Brunnstrom stage, MAS, and Timed Up and Go Test results (p<0.05) (Fig. 2).


Analysis of Vertical Ground Reaction Force Variables Using Foot Scans in Hemiplegic Patients.

Kim HD, Kim JG, Jeon DM, Shin MH, Han N, Eom MJ, Jo GY - Ann Rehabil Med (2015)

(A) Timed Up and Go Test showed a positive correlation, (B) motor assessment scale, and (C) Brunnstrom stage showed a negative correlation with vertical force impulse. IMP, impulse; N, newton; BW, body weight (kg).
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4496512&req=5

Figure 2: (A) Timed Up and Go Test showed a positive correlation, (B) motor assessment scale, and (C) Brunnstrom stage showed a negative correlation with vertical force impulse. IMP, impulse; N, newton; BW, body weight (kg).
Mentions: Stance time was significantly shorter in the paralyzed and normal legs of the control group than in those of the patient group (p<0.05). The impulse value differed significantly among the control, paralyzed, and normal legs groups. In addition, significant correlations between the impulse values of the normal legs of the patient group and motor recovery were revealed by the Brunnstrom stage, MAS, and Timed Up and Go Test results (p<0.05) (Fig. 2).

Bottom Line: The GRF results were compared between the hemiplegic patients and control individuals, and between the affected and unaffected limbs of hemiplegic patients.The MAS, Brunnstrom stage and Timed Up and Go Test results were significantly correlated with the VFI of the unaffected limbs (p<0.05).Therefore, these results suggest that unaffected limbs should also be taken into consideration in these patients.

View Article: PubMed Central - PubMed

Affiliation: Department of Physical Medicine and Rehabilitation, Inje University Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.

ABSTRACT

Objective: To analyze the differences in the vertical ground reaction force (GRF) variables of hemiplegic patients compared with a control group, and between the affected and unaffected limbs of hemiplegic patients using foot scans.

Methods: Patients (n=20) with hemiplegia and healthy volunteers (n=20) underwent vertical force analysis. We measured the following: the first and second peak forces (F1, F2) and the percent stances at which they occurred (T1, T2); the vertical force impulse (VFI) and stance times. The GRF results were compared between the hemiplegic patients and control individuals, and between the affected and unaffected limbs of hemiplegic patients. Additionally, we analyzed the impulse of the unaffected limb according to the motor assessment scale (MAS), Brunnstrom stage, and a Timed Up and Go Test.

Results: The F1s and F2s of the affected and unaffected limbs were significantly less than those of the normal control individuals (p<0.05). The T1s of both the affected and unaffected limbs of the patients were greater than control individuals, whilst the T2s were lower (p<0.05). Greater impulses and stance times were recorded on both sides of the patients than in the limbs of the control individuals (p<0.05). The MAS, Brunnstrom stage and Timed Up and Go Test results were significantly correlated with the VFI of the unaffected limbs (p<0.05).

Conclusion: The high impulse values of the unaffected limb were associated with complications during gait rehabilitation. Therefore, these results suggest that unaffected limbs should also be taken into consideration in these patients.

No MeSH data available.


Related in: MedlinePlus