Abstract
Background: The main purpose of all suspension systems is prosthesis retention. Numerous means to suspend below-knee (BK) prostheses have been developed. Although suspension systems generally used for BK prostheses have similar functions, choices for prescription are not totally clear. Patellar tendon bearing (PTB) suspension principles are effective with many patients; however, those with short limbs may not achieve complication-free suspension. The fact that variations of BK suspensions continue to appear suggests that a universal suspension system is not yet available.Objective: To find out the effect of two types of suspension system on gait parameters and locomotor capabilities index in subject with unilateral transtibial amputee.Study design: Single study with post experimental design.Methods and measures: Two different suspension systems such as supracondylar and cuff suspension for below knee prostheses were tested on 30 adults with unilateral transtibial amputees. All subjects walked with prosthesis. Data regarding gait parameters and Locomotor capabilities index were measured. Gait parameters such as velocity, cadence, step length, stride length were evaluated by CDG gait analyser and walking abilities of the subjects were evaluated by locomotor capabilities index (LCI).Result: The results revealed that the statistical difference between two suspension systems is significant (p<0.05). Study suggested that using supracondylar suspension velocity, cadence, stride length and step length increased compared to cuff suspension. But value of Locomotor capability index was more in cuff suspension compared to supracondylar suspension which indicates use of cuff suspension reduces fear of falling and patients feels more secure.Conclusion: The findings of the study thus support the hypothesis that there were significant difference with different suspension systems on gait parameters and locomotor capabilities index.
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