The Effect of Object Surfaces and Shapes on Hand Grip Function for Heavy Objects

  • Mario Garcia
  • Jazmin Cruz
  • Cecilia Garza
  • Patricia DeLucia
  • James YangEmail author
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 780)


Successful grasp, transfer, and release of objects with the hand are important movements for completing everyday tasks. This study’s objective is to understand the effect of an object’s surface and shape on hand grip function for heavy objects in a young age group. For their functional prevalence and significance, grasp and release movements have been incorporated into many clinical hand function assessments, such as the Box and Block Test (BBT), a common test used to assess people’s hand grip function. In the BBT, subjects transport a block from one side of a box to the other while crossing a partition and repeat the procedure as fast as possible. In this study we measured performance on the BBT in 20 right handed subjects between ages 20 to 30 years old. There were no statistically significant effects of object surfaces and shapes on hand grip function for heavy objects.


Box and Block Test (BBT) Hand dexterity T-test 



This work was partly supported by National Science Foundation (#1559393) and Texas Tech University.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Mario Garcia
    • 1
  • Jazmin Cruz
    • 1
  • Cecilia Garza
    • 2
  • Patricia DeLucia
    • 2
  • James Yang
    • 1
    Email author
  1. 1.Human-Centric Design Research Lab, Department of Mechanical EngineeringTexas Tech UniversityLubbockUSA
  2. 2.Department of Psychological SciencesTexas Tech UniversityLubbockUSA

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