Motor Imagery Prior to or Alongside Initial Prosthetic Gait Training in Acute Transtibial Amputees: A Feasibility Pilot Study
Motor Imagery Prior to or Alongside Initial Prosthetic Gait Training in Acute Transtibial Amputees: A Feasibility Pilot Study
This study included the development of motor imagery (i.e., the cognitive process of mentally reheasing a motor task) protocol for improving prosthetic gait among acute transtibial amputees. Further, the researchers investigated whether praciticng motor imagery before or alongside initial temporary prosthetic training (aka VESSA) would affect measures of functional status, pain, prosthethis embodiement and motor imagery ability.
Background: People undergoing transtibial amputation (TTA) face impairments in gait, balance, confidence, pain, and prosthesis embodiment. Motor imagery (MI) is a cognitive approach for addressing motor and cognitive performance. The current study aimed to (1) explore the feasibility of MI for individuals with acute TTA and (2) investigate the preliminary effects of MI on participants' functional status, gait, pain, prosthesis embodiment and imagery ability.
Methods: Ten participants (age range: 46-68 years, eight males) with acute unilateral TTA were randomly allocated into two groups based on delivery timing of MI in relation to temporary prosthesis (Vessa) training: prior to (pre-Vessa) or alongside (w-Vessa), both concurrently with conventional physical therapy. Participants underwent eight individualized MI sessions over two weeks. Data were collected at four timepoints: before and after MI, first independent prosthesis gait, and discharge from the hospital. Outcome measures included intervention feasibility, functional status, pain, prosthesis embodiment and imagery ability.
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