Sensory-Motor Mechanisms Increasing Falls Risk in Diabetic Peripheral Neuropathy

Area of Science:

• Neurology
• Diabetology
• Biomechanics

Background:

• Diabetic peripheral neuropathy (DPN) affects up to 50% of diabetes patients, causing sensory and motor nerve damage.
• DPN is a significant independent risk factor for falls, leading to injury and reduced physical activity.

Purpose of the Study:

• To review the biomechanical alterations in gait and balance associated with DPN.
• To highlight how these changes contribute to falls in individuals with diabetes.

Main Methods:

• Review of existing literature on DPN, gait, balance, and falls.
• Analysis of biomechanical changes including walking speed, step parameters, joint motion, and muscle strength.

Main Results:

• DPN causes marked gait impairments (altered speed, stride length/width, joint motion) and reduced joint moments.
• Muscle weakness and atrophy are prevalent, impacting both distal and proximal muscles.
• Insensate feet in DPN lead to delayed neuromuscular responses, increasing falls risk; balance impairments are specific to DPN patients.

Conclusions:

• Sensory and motor deficits in DPN directly impact gait and balance, elevating fall risk.
• Falls prevention strategies should focus on individuals with DPN, with ongoing research to refine interventions.