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. 2004 Jan 26;2004(1):CD003978. doi: 10.1002/14651858.CD003978.pub2

Cortes 1997.

Methods Quasi‐randomised controlled trial. 
 Within‐subject, cross‐over design.
Participants 8 men with unilateral traumatic transtibial amputations, mean age 35 years (range 19‐49), amputation at least 2 years before the investigation, mean Day's Activity Score 24 (range 14‐39), fitted with PTB prostheses, good shaped stump. 
 Exclusion: skin problems, suffering from any concurrent illness. 
 Country: Spain
Interventions 1. SACH‐foot 
 2. Single‐Axis 
 3. Greissinger 
 4. Dynamic 
 Participants walked at free cadence, fast, and slower (cadence from 60‐140 steps per minute), on a 12m walkway with 2 force plates, equipped with a system of polycentric electrogoniometry for the measurement of both limbs‐hip, knee and ankle angles on the sagittal plane.
Outcomes A total of 18 variables was selected: 
 7 were kinetic (vertical, horizontal and lateral force) 
 10 kinematic (ankle, knee and hip angles) 
 1 time‐related (Single‐Support Stance Time (SST))
Notes Amputees had a two‐week adaptation period before a measurement.
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk D ‐ Not used