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Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking
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| Zeitschriftentitel: | Journal of Mechanics |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Journal of Mechanics, 28, 2012, 2, S. 337-344 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Oxford University Press (OUP)
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| Schlagwörter: |
| author_facet |
Chang, C.-F. Shih, K.-S. Wang, T.-M. Huang, C.-H. Huang, S.-C. Lu, T.-W. Chang, C.-F. Shih, K.-S. Wang, T.-M. Huang, C.-H. Huang, S.-C. Lu, T.-W. |
|---|---|
| author |
Chang, C.-F. Shih, K.-S. Wang, T.-M. Huang, C.-H. Huang, S.-C. Lu, T.-W. |
| spellingShingle |
Chang, C.-F. Shih, K.-S. Wang, T.-M. Huang, C.-H. Huang, S.-C. Lu, T.-W. Journal of Mechanics Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking Applied Mathematics Mechanical Engineering Condensed Matter Physics |
| author_sort |
chang, c.-f. |
| spelling |
Chang, C.-F. Shih, K.-S. Wang, T.-M. Huang, C.-H. Huang, S.-C. Lu, T.-W. 1727-7191 1811-8216 Oxford University Press (OUP) Applied Mathematics Mechanical Engineering Condensed Matter Physics http://dx.doi.org/10.1017/jmech.2012.37 <jats:title>Abstract</jats:title><jats:p>Impulsive loading by the ground reaction force (GRF) around heelstrike during walking is closely related to joint degeneration and might be affected by joint movement of the locomotor system. Fifteen healthy males (age: 25.5 ±3 years) were studied to investigate the association between the quantitative joint angles, angular velocities and accelerations of the lower-limb joints, and the loading rates of the GRF. Apart from the gait speed, both the ipsilateral kinematics during the swing phase, and the contralateral kinematics around the beginning of the terminal double limb stance (DLS), may significantly contribute to the heelstrike and maximum loading rates of the GRF. The magnitude of the heelstrike impulsive GRF was particularly affected by the peak ankle dorsiflexion velocity during the swing phase of the ipsilateral limb. However, for generating the maximum loading rate of nearly eight times the magnitude of that of the heelstrike one needed more kinematic variables to be modulated in advance, especially the knee flexion velocities around the beginning of the terminal DLS of the contralateral limb. Knowledge of the joint mechanics of the locomotor system for controlling the magnitude of the impulsive GRF during normal walking might be helpful for gait retraining for the elderly or patients who might have excessive impulsive GRF and a high risk of joint degeneration.</jats:p> Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking Journal of Mechanics |
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| title |
Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_unstemmed |
Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_full |
Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_fullStr |
Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_full_unstemmed |
Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_short |
Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_sort |
correlations between heelstrike impulsive loading and joint kinematics of the lower extremities during normal level walking |
| topic |
Applied Mathematics Mechanical Engineering Condensed Matter Physics |
| url |
http://dx.doi.org/10.1017/jmech.2012.37 |
| publishDate |
2012 |
| physical |
337-344 |
| description |
<jats:title>Abstract</jats:title><jats:p>Impulsive loading by the ground reaction force (GRF) around heelstrike during walking is closely related to joint degeneration and might be affected by joint movement of the locomotor system. Fifteen healthy males (age: 25.5 ±3 years) were studied to investigate the association between the quantitative joint angles, angular velocities and accelerations of the lower-limb joints, and the loading rates of the GRF. Apart from the gait speed, both the ipsilateral kinematics during the swing phase, and the contralateral kinematics around the beginning of the terminal double limb stance (DLS), may significantly contribute to the heelstrike and maximum loading rates of the GRF. The magnitude of the heelstrike impulsive GRF was particularly affected by the peak ankle dorsiflexion velocity during the swing phase of the ipsilateral limb. However, for generating the maximum loading rate of nearly eight times the magnitude of that of the heelstrike one needed more kinematic variables to be modulated in advance, especially the knee flexion velocities around the beginning of the terminal DLS of the contralateral limb. Knowledge of the joint mechanics of the locomotor system for controlling the magnitude of the impulsive GRF during normal walking might be helpful for gait retraining for the elderly or patients who might have excessive impulsive GRF and a high risk of joint degeneration.</jats:p> |
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| author | Chang, C.-F., Shih, K.-S., Wang, T.-M., Huang, C.-H., Huang, S.-C., Lu, T.-W. |
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| description | <jats:title>Abstract</jats:title><jats:p>Impulsive loading by the ground reaction force (GRF) around heelstrike during walking is closely related to joint degeneration and might be affected by joint movement of the locomotor system. Fifteen healthy males (age: 25.5 ±3 years) were studied to investigate the association between the quantitative joint angles, angular velocities and accelerations of the lower-limb joints, and the loading rates of the GRF. Apart from the gait speed, both the ipsilateral kinematics during the swing phase, and the contralateral kinematics around the beginning of the terminal double limb stance (DLS), may significantly contribute to the heelstrike and maximum loading rates of the GRF. The magnitude of the heelstrike impulsive GRF was particularly affected by the peak ankle dorsiflexion velocity during the swing phase of the ipsilateral limb. However, for generating the maximum loading rate of nearly eight times the magnitude of that of the heelstrike one needed more kinematic variables to be modulated in advance, especially the knee flexion velocities around the beginning of the terminal DLS of the contralateral limb. Knowledge of the joint mechanics of the locomotor system for controlling the magnitude of the impulsive GRF during normal walking might be helpful for gait retraining for the elderly or patients who might have excessive impulsive GRF and a high risk of joint degeneration.</jats:p> |
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| spelling | Chang, C.-F. Shih, K.-S. Wang, T.-M. Huang, C.-H. Huang, S.-C. Lu, T.-W. 1727-7191 1811-8216 Oxford University Press (OUP) Applied Mathematics Mechanical Engineering Condensed Matter Physics http://dx.doi.org/10.1017/jmech.2012.37 <jats:title>Abstract</jats:title><jats:p>Impulsive loading by the ground reaction force (GRF) around heelstrike during walking is closely related to joint degeneration and might be affected by joint movement of the locomotor system. Fifteen healthy males (age: 25.5 ±3 years) were studied to investigate the association between the quantitative joint angles, angular velocities and accelerations of the lower-limb joints, and the loading rates of the GRF. Apart from the gait speed, both the ipsilateral kinematics during the swing phase, and the contralateral kinematics around the beginning of the terminal double limb stance (DLS), may significantly contribute to the heelstrike and maximum loading rates of the GRF. The magnitude of the heelstrike impulsive GRF was particularly affected by the peak ankle dorsiflexion velocity during the swing phase of the ipsilateral limb. However, for generating the maximum loading rate of nearly eight times the magnitude of that of the heelstrike one needed more kinematic variables to be modulated in advance, especially the knee flexion velocities around the beginning of the terminal DLS of the contralateral limb. Knowledge of the joint mechanics of the locomotor system for controlling the magnitude of the impulsive GRF during normal walking might be helpful for gait retraining for the elderly or patients who might have excessive impulsive GRF and a high risk of joint degeneration.</jats:p> Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking Journal of Mechanics |
| spellingShingle | Chang, C.-F., Shih, K.-S., Wang, T.-M., Huang, C.-H., Huang, S.-C., Lu, T.-W., Journal of Mechanics, Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking, Applied Mathematics, Mechanical Engineering, Condensed Matter Physics |
| title | Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_full | Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_fullStr | Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_full_unstemmed | Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_short | Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| title_sort | correlations between heelstrike impulsive loading and joint kinematics of the lower extremities during normal level walking |
| title_unstemmed | Correlations Between Heelstrike Impulsive Loading and Joint Kinematics of the Lower Extremities During Normal Level Walking |
| topic | Applied Mathematics, Mechanical Engineering, Condensed Matter Physics |
| url | http://dx.doi.org/10.1017/jmech.2012.37 |