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題 名 | Ground Reaction Force Patterns in Stroke Patients with Various Degrees of Motor Recovery Determined by Plantar Dynamic Analysis=不同運動控制能力之中風病人之地面作用力特性研究 |
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作 者 | 陳仲堯; 洪維憲; 陳嘉玲; 周適偉; 吳菁宜; 鄭寶釵; 鄧復旦; 陳協慶; | 書刊名 | 長庚醫學 |
卷 期 | 30:1 2007.01-02[民96.01-02] |
頁 次 | 頁62-72 |
分類號 | 415.922 |
關鍵詞 | 中風; 足底壓力; 步態; 運動; 技能; 動力學; Stroke; Plantar pressure; Gait; Motor; Skills; Kinetic; |
語 文 | 英文(English) |
中文摘要 | 背景:研究不同運動控制能力之中風病人之地面作用力(ground reaction force)特性。 方法:本實驗收集43位中風病人及20位健康之對照組。主要的評估項目包括病患本身的運動功能障礙(包括下肢肌肉張力及下肢運動功能恢復程度)以及足底動力學的變化(包括地面作用力型態,足底壓力以及步行速度)。根據地面作用力型態的特徵我們嘗試將其歸類成四組,然後中風病人再根據其不同的地面作用力型態的組別分成較佳及較差兩組。 結果:中風病人行走的地面作用力型態相當具有特性,因此可以加以分成四類。在中風患側最大足底壓力(peak pressure)方面,其在蹠骨區(metatarsal)以及腳指區的壓力較正常人低。在步行速度方面,較佳組明顯的較較差組還要來得快(p<0.05)。在足底最大壓力方面,較佳組在雙腳蹠骨區和中足(midfoot)位置明顯的較較差組還要大(p<0.05)。地面作用力型態和步行速度呈現高度的正相關(r=0.92, p<0.001)。地面作用力型態和步行速度均和膝關節的運動控制呈現正相關(r>0.4, p<0.01),但是和髖關節以及踝關節的運動控制無關,也和下肢的肌肉張力無關。 結論:由地面作用力型態和步行速度的高度相關,可以推論地面作用力型態反映了中風病人步態的特性。膝關節的運動控制能力在中風病人的步態表現方面佔有重要的地位。足底動力學的分析是另一種研究中風步態變化的方法,並且可以提供治療上的參考。 |
英文摘要 | Background: To study ground reaction force (GRF) patterns in stroke patients with various degrees of motor recovery, using plantar dynamic analysis. Methods: Forty-three people with hemiplegic stroke and 20 healthy subjects were enrolled in the study. Motor impairment (motor recovery and muscle tone) and plantar dynamic data (GRF patterns, peak pressure, and walking speeds) were analyzed. GRF patterns were categorized into four patterns based on the force magnitude (spatial features) through time (temporal features) of the vertical GRF. Then stroke patients were classified into good (patterns III and IV) and poor groups (patterns I and II). Results: Patients with hemiplegic stroke showed characteristic GRF patterns which could be categorized from bimodal (pattern IV) to pathological shapes (I-III). The peak pressures on the paretic side in the metatarsal and toe areas were reduced in stroke patients compared with those in healthy subjects. Walking speeds were higher in the good group than in the poor group (p < 0.05). The peak pressures on both sides in the metatarsal and midfoot areas were lower in the poor group than in the good group (p < 0.05). GRF patterns were highly correlated with walking speeds (r = 0.92, p < 0.01). GRF patterns and walking speeds were positively correlated with motor recovery of knee movement (r > 0.4, p < 0.01), but not with hip and ankle movement or muscle tone in the lower limb. Conclusions: GRF patterns, correlated with walking speeds, indicate underlying motor control of hemiplegic or hemiparetic gait. Knee motor control may be the most important factor in determining walking performance. Plantar dynamic analysis could allow clinicians an alternative assessment in detecting gait changes and planning therapeutic strategies in stroke patients. |
本系統中英文摘要資訊取自各篇刊載內容。