In vivo analysis of trapeziometacarpal joint kinematics during pinch tasks

Li Chieh Kuo, Chien Ju Lin, Guan Po Chen, I. Ming Jou, Chien Kuo Wang, Irina G. Goryacheva, Marat Z. Dosaev, Fong Chin Su

研究成果: Article

3 引文 (Scopus)

摘要

This study investigated how the posture of the thumb while performing common pinch movements and the levels of pinch force applied by the thumb affect the arthrokinematics of the trapeziometacarpal joint in vivo. Fifteen subjects performed the pinch tasks at the distal phalange (DP), proximal interphalangeal (PIP) joint, and metacarpophalangeal (MP) joint of the index finger with 0%, 50%, and 80% of maximal pinch forces by a single-axis load cell. 3D images of the thumb were obtained using the computed tomography. The results show that the reference points moved from the central region to the dorsal-radial region when changing from pinching the DP to the MP joint without pinching force being applied. Pinching with 80% of the maximum pinching force resulted in reference points being the closest to the volar-ulnar direction. Significant differences were seen between 0% and 50% of maximum pinch force, as well as between 0% and 80%, when pinching the MP joint in the distal-proximal direction. The effects of posture of the thumb and applied pinch force on the arthrokinematics of the joint were investigated with a 3D model of the trapeziometacarpal joint. Pinching with more than 50% of maximum pinch force might subject this joint to extreme displacement.

原文English
文章編號157295
期刊BioMed research international
2014
DOIs
出版狀態Published - 2014

指紋

Biomechanical Phenomena
Thumb
Kinematics
Metacarpophalangeal Joint
Joints
Tomography
Posture
Fingers
Direction compound

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Medicine(all)

引用此文

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abstract = "This study investigated how the posture of the thumb while performing common pinch movements and the levels of pinch force applied by the thumb affect the arthrokinematics of the trapeziometacarpal joint in vivo. Fifteen subjects performed the pinch tasks at the distal phalange (DP), proximal interphalangeal (PIP) joint, and metacarpophalangeal (MP) joint of the index finger with 0{\%}, 50{\%}, and 80{\%} of maximal pinch forces by a single-axis load cell. 3D images of the thumb were obtained using the computed tomography. The results show that the reference points moved from the central region to the dorsal-radial region when changing from pinching the DP to the MP joint without pinching force being applied. Pinching with 80{\%} of the maximum pinching force resulted in reference points being the closest to the volar-ulnar direction. Significant differences were seen between 0{\%} and 50{\%} of maximum pinch force, as well as between 0{\%} and 80{\%}, when pinching the MP joint in the distal-proximal direction. The effects of posture of the thumb and applied pinch force on the arthrokinematics of the joint were investigated with a 3D model of the trapeziometacarpal joint. Pinching with more than 50{\%} of maximum pinch force might subject this joint to extreme displacement.",
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In vivo analysis of trapeziometacarpal joint kinematics during pinch tasks. / Kuo, Li Chieh; Lin, Chien Ju; Chen, Guan Po; Jou, I. Ming; Wang, Chien Kuo; Goryacheva, Irina G.; Dosaev, Marat Z.; Su, Fong Chin.

於: BioMed research international, 卷 2014, 157295, 2014.

研究成果: Article

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AU - Wang, Chien Kuo

AU - Goryacheva, Irina G.

AU - Dosaev, Marat Z.

AU - Su, Fong Chin

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