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Proprioceptive and behavior impairments in individuals with anterior cruciate ligament reconstructed knees
  • Universidade Estadual Paulista (UNESP)
  • Universidade de São Paulo (USP)
Objective: To assess sensory deficits and their effects on proprioceptive and motor function in patients who had undergone unilateral anterior cruciate ligament (ACL) reconstruction.Design: Four evaluations were conducted: (1) joint position perception of the knee for predetermined angles (0degrees, 15degrees, 30degrees, 45degrees, 60degrees); (2) threshold for detection of passive knee motion at 0degrees, 15degrees, 30degrees, 45degrees, and 60degrees moving into flexion and at 15degrees, 30degrees, 45degrees, and 60degrees moving into extension; (3) latency onset of hamstring muscles; and (4) postural control during upright double- and single-leg stance.Setting: Movement laboratory in Brazil.Participants: Ten participants who had surgical reconstruction of the ACL (reconstructed group) and 10 participants without knee injury (control group).Interventions: Not applicable.Main Outcome Measures: Absolute error, angular displacement, hamstring muscles latency, and mean sway amplitude.Results: Individuals with a reconstructed knee showed decreased joint position perception, a higher threshold for detection of passive knee motion, longer latency of hamstring muscles, and decreased performance in postural control.Conclusions: After lesion and ACL reconstruction, sensory and motor behavior changes were still observed. This may be because of the lack of proprioceptive information resulting from the ACL lesion and/or substitution of ACL by the graft. (C) 2003 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation.
Issue Date: 
Archives of Physical Medicine and Rehabilitation. Philadelphia: W B Saunders Co, v. 84, n. 8, p. 1217-1223, 2003.
Time Duration: 
W B Saunders Co
  • anterior cruciate ligament
  • posture
  • proprioception
  • rehabilitation
  • response latency
Access Rights: 
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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