Clinical trial NCT04174729: System for Quantifying the Functional Strength of the Grip and Pinch Movements
Official title: System for Quantifying the Functional Strength of the Grip and Pinch Movements
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Hand Injuries and Disorders
Lead sponsor: University of Mogi das Cruzes
Sponsor class: OTHER
First posted: 2019-11-22
Enrollment: 30
Sex: ALL
Minimum age (years): 20
Maximum age (years): 39
Standard ages: ADULT
Accepts healthy volunteers: yes
Allocation: NA
Intervention model: SINGLE_GROUP
Primary purpose: DIAGNOSTIC

Brief summary: This study developed a system to quantify the functional strength of young adults without motor impairment during grip and pinch movement. Making it possible to know the accuracy of the value of these strength, the range of motion performed and whether the grip force was maintained throughout the range of motion. In addition to checking the functionality, reliability and reproducibility of the system.

Detailed description: Quantifying grip and grip movement is essential as it allows for a basis in upper limb functionality. However, when there is access, it causes changes in the hands and changes the motor in relation to the force and range of motion, or generates changes in activities of daily living. Thus, a system with 5 devices, where each one the devices were prints in three-dimensional, and instrumented with force sensor for static-dynamic force analysis e potentiometer for analysis range of motion, during the execution of movements cylindrical grip, spherical grip, hook grip, pulp-pulp pinch, and pulp- side pinch in different activities of daily living. Elaborated a data storage interface through MATLAB® software that allows recording the data of each device. For the system functionality tests, 30 volunteers were selected for both sexes, young adults between 20 and 39 years old, students of the Physiotherapy and Graduate courses of the University of Mogi das Cruzes. The tests are divided into two sessions and are repeated after 7 days of the first test

Eligibility criteria: Inclusion Criteria:

* only right-handed individuals,
* male and female,
* have preserved cognitive functions,
* absence of neurological disorder
* who present minimum grip strength by the Jamar ® dynamometer, in the age group of 20-29 years men 45.08 ± 0.67 kg and women of 27.2 ± 0.46 kg, who present minimum grip strength by the dynamometer Jamar ®, aged 30 to 39 years old men 46.05 ± 0.47 kg and women 28.0 ± 0.39 kg, using the mean minus the standard deviation.

Exclusion Criteria:

* Injury to upper limbs such as amputation, recent surgery (6 months), fractures, bruising, pain and musculoskeletal disorders.
* Do not accept to participate in the survey.

Primary outcomes:
measure: Strength device
timeFrame: 15 minutes
Secondary outcomes:
measure: Range of motion in angle
timeFrame: 15 minutes
measure: Range of motion millimeter
timeFrame: 15 minutes
Other outcomes:
measure: Anthropometric variables
timeFrame: 5 minutes
measure: Dynamometer Jamar Strength
timeFrame: 1 minute
Locations:
city: Mogi das Cruzes
country: Brazil
facility: Silvia Regina Matos da Silva Boschi
state: São Paulo
Study officials:
affiliation: University of Mogi das Cruzes
name: Silvia R Boschi, PhD
role: PRINCIPAL_INVESTIGATOR
References: