Fisioterapia

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Author: search.filters.author.Estupiñan Caicedo, Domenica AlejandraSubject: search.filters.subject.DINAMOMETRÍA

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    FUERZA DE AGARRE DE LA MANO EN CARPINTEROS CON Y SIN AMPUTACIONES DE DEDOS
    (2026-01-27) Estupiñan Caicedo, Domenica Alejandra; Bonilla Ayala, Josselyn Gabriela; Universidad Técnica de Ambato / Facultad de Ciencias de Salud / Carrera de Fisioterapia
    Grip strength establishes an essential functional capacity for manipulating objects, performing activities of daily living, and carrying out professional tasks, and is of great importance in occupations that require precision and manual physical effort, such as carpentry. Finger amputations are one of the most common occupational injuries, causing significant alterations in the biomechanics of the hand and its functional performance. The purpose of this study was to compare the difference in hand grip strength between the dominant and non-dominant hands of carpenters with finger amputations belonging to the group of skilled craftsmen at the MR STANDS company, located in the canton of Latacunga. The methodology used was based on a quantitative, descriptive, cross-sectional approach. The sample consisted of 30 carpenters with and without finger amputations, aged 18 to 65, who were evaluated with the “JAMAR” dynamometer to obtain grip strength values. The results showed a marked decrease in the grip strength of participants with amputations, with statistically significant differences (p < 0.05) compared to the group without amputations. Most injuries were found in the distal phalanx of the middle finger, which directly impacted grip stability and strength, even in the dominant hand. These findings confirm that the anatomical integrity of the fingers is crucial for maintaining hand strength and that amputation of the middle finger has a significant effect due to its central position in the pincer function. In conclusion, finger amputations, especially of the middle finger, significantly reduce grip strength and alter the biomechanics of the hand regardless of laterality. This research demonstrates the need to implement prevention and functional rehabilitation programs that contribute to improving the work capacity and quality of life of affected carpenters.