Do handgrip strength and dexterity predict respiratory function in neuromuscular disease?

Area of Science:

• Neurology
• Pulmonology
• Rehabilitation Medicine

Background:

• Neuromuscular diseases impact muscle function, including respiratory muscles, leading to significant health issues.
• Assessing respiratory function is crucial for managing patients with neuromuscular disorders.

Purpose of the Study:

• To identify cost-effective and practical tools for predicting respiratory function in individuals with neuromuscular diseases.
• To explore the correlation between upper extremity function tests and respiratory parameters.

Main Methods:

• Evaluated functional status using Vignos and Brooke Upper Extremity Functional Scales.
• Measured handgrip strength and dexterity using a dynamometer and nine-hole peg test.
• Assessed respiratory function via spirometry, measuring forced vital capacity, forced expiratory volume in one second, and peak expiratory flow.

Main Results:

• Significant relationships were observed between nine-hole peg test scores and respiratory function parameters.
• Handgrip strength showed significant correlations with respiratory function parameters (p < 0.05).
• Linear regression indicated that forced expiratory volume in one second and peak expiratory flow could be explained by these functional measures.

Conclusions:

• Handgrip strength and dexterity measurements serve as accessible and economical indicators for estimating respiratory function.
• While valuable, these tests do not replace formal respiratory function testing but can supplement it.