Analysis of musculoskeletal loading in an index finger during tapping

Wu, John Z.; An, Kai Nan; Cutlip, Robert G.; Krajnak, Kristine; Welcome, Daniel E.; Dong, Ren G.

doi:10.1016/j.jbiomech.2007.09.025

Cited by 54 publications

(36 citation statements)

References 32 publications

(55 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The fingertip materials used in the model were the same of Gerling et al [15] and Wu et al [16]. In particular, we modelled epidermis, bone and nail as linear materials, while dermis and subcutaneous tissue were modelled as Mooney-Rivlin hyperelastic material [15].…”

Section: Geometry and Materialsmentioning

confidence: 99%

“…Many numerical models have been proposed in literature, which differ for dimensionality, accuracy and mechanical response tailored on different tasks (see e.g. [3], [4], [14], [15] and [16] among the most significant). However, despite individual differences, all these FEMs need to be first validated, or, in other words, to be tested in terms of the matching between numerical and experimental results for a large variety of mechanical conditions and parameters.…”

Section: Introductionmentioning

confidence: 99%

“…These experimental measures are then compared with the numerical outcomes of a FE model of human fingertip that we built upon existing validated models and data in literature (Gerling et al [15] and Wu et al [16]). …”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A preliminary approach to study the behavior of human fingertip at contact via experimental test and numerical model

et al. 2017

View full text Add to dashboard Cite

How human fingertip deforms during the interaction with the environment represents a fundamental action that shapes our perception of external world. In this work, we present the proof of concept of an experimental in vivo set up that enables to characterize the mechanical behavior of human fingertip, in terms of contact area, force and a preliminary estimation of pressure contour, while it is put in contact against a flat rigid surface. Experimental outcomes are then compared with the output of a 3D Finite Element Model (FEM) of the human fingerpad, built upon existing validated models. The good agreement between numerical and experimental data suggests the correctness of our procedure for measurement acquisitions and finger modeling. Furthermore, we will also discuss how our experimental data can be profitably used to estimate strain limiting deformation models for tactile rendering, while the here reported 3D FE model has also been profitably employed to investigate hypotheses on human tactile perception.

show abstract

Section: Geometry and Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A preliminary approach to study the behavior of human fingertip at contact via experimental test and numerical model

et al. 2017

View full text Add to dashboard Cite

show abstract

“…Most of them were conducted applying quasistatic loading, which is less representative for the repetitive movements encountered during rehabilitation, or three-point bending of the fingers with limited physiological relevance. In addition, there is no consensus regarding the predominant loading type of the fingers during rehabilitation following a phalanx fracture (An et al, 1985;Berme et al, 1977;Wu et al, 2008). In spite of this and the paucity of supporting data, dorsal plating is widely used for phalangeal fracture fixation due to its straightforward approach and the assumption that thereby a stabilizing tension band effect is achieved (Black et al, 1986;Prevel et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

Angular stable lateral plating is a valid alternative to conventional plate fixation in the proximal phalanx. A biomechanical study

Shanmugam

Ernst

Stoffel

et al. 2015

Clinical Biomechanics

View full text Add to dashboard Cite

“…Measuring interaction kinematics and kinetics is essential in the field of neuromuscular modeling [164,168] and estimation of muscular skeletal loading [218]. Identification of the neuromuscular system in interaction with the environment is in essence a closed-loop identification problem.…”

Section: Introductionmentioning

confidence: 99%

Assessment of hand kinematics and interactions with the environment

Kortier¹

View full text Add to dashboard Cite

The hand is one of the most important instruments of our body. Its versatility enables the execution of a wide range of tasks that ask for a powerful, precise or gentle approach. Measuring hand and finger movements, and interaction forces, is therefore important for the assessment of tasks in daily life. However, measuring on-body kinematic and kinetic quantities is a delicate procedure due to the dexterity of the hand, and moreover, the little and complex shaped skin places for sensor attachment. This thesis proposes a new on-body assessment system that allows the measurement of movements and interaction forces of the hand, fingers and thumb.The first objective, the development, evaluation and validation of an inertial and magnetic sensing system for the measurement of hand and finger kinematics is the topic of chapters 2 to 5. The second objective, assessment of the dynamic interaction between human hand and environment using combined force and movement sensing, is the topic of chapter 6.Chapter 2 describes the hardware and algorithms for a sensing system which can be attached to the hand, fingers and the thumb. The hardware consists of multiple inertial and magnetic sensors to measure angular velocities, accelerations and the magnetic field. Each individual finger and the thumb is modelled as a kinematic chain where the bones correspond to the linkages and each joint is considered as an ideal ball-socket joint. Segmental lengths were determined by manual measurement, whereas the inertial sensors provided the input for a Kalman filter to estimate the 3D orientation of the corresponding segment. Hereafter, the orientation and tip position of each finger was estimated by applying forward kinematics. To our knowledge, it is the first system that uses inertial sensors for estimating finger kinematics. The estimation quality was expressed in terms of static and dynamic accuracy, dynamic range and repeatability. Differences with an active optical reference system were found to be a maximum of 13 mm for the finger tip distance difference during circular pointing movements. A standardized test protocol for instrumented gloves showed very good repeatability results compared to other datagloves, proven by the mean angle difference of < 2 degrees. Finally, a dynamic range was specified as a measure of how well the system is able to reconstruct joint angles when experiencing large angular velocities. The system showed accurate reconstruction up to 116 full index finger flex-extension movements per minute.Chapter 3 reports an extensive comparison of our inertial sensing system against a passive opto-electronic marker system. It aims on typical hand-function tasks, including tapping, (fast) finger flexion, hand opening/closing, ab-adduction and circular pointing, which are used to quantify various motor symptoms for clinical diagnosis. Three subjects were included and instrumented with both systems. Differences in position, Range of Motion (RoM) and 3D vii joint angles were noted of which the largest were found in fast and ...

show abstract

Analysis of musculoskeletal loading in an index finger during tapping

Cited by 54 publications

References 32 publications

A preliminary approach to study the behavior of human fingertip at contact via experimental test and numerical model

A preliminary approach to study the behavior of human fingertip at contact via experimental test and numerical model

Angular stable lateral plating is a valid alternative to conventional plate fixation in the proximal phalanx. A biomechanical study

Assessment of hand kinematics and interactions with the environment

Contact Info

Product

Resources

About