Finger flexor motor control patterns during active flexion: An in vivo tendon force study

Nikanjam, Mina; Kursa, Katarzyna; Lehman, Steve; Lattanza, Lisa; Diao, Edward; Rempel, David

doi:10.1016/j.humov.2006.09.002

Cited by 25 publications

(41 citation statements)

References 19 publications

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“…Various methods of measuring the force acting on individual limbs have been developed. A buckle force transducer was developed which could be implanted into a tendon to measure the force generated by muscle directly (Biewener et al, 1988;Kleinrensink et al, 2000;Nikanjam et al, 2007). Unfortunately this approach may wear and damage the tendon and results in unpredictable changes in the locomotion behaviour and dynamics, so it has not been widely used in recent years.…”

Section: Introductionmentioning

confidence: 99%

Dynamics of gecko locomotion: a force-measuring array to measure 3D reaction forces

Dai

Wang

2011

Journal of Experimental Biology

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SUMMARYMeasuring the interaction between each foot of an animal and the substrate is one of the most effective ways to understand the dynamics of legged locomotion. Here, a new facility -the force-measuring array (FMA) -was developed and applied to measure 3D reaction forces of geckos on different slope surfaces. The FMA consists of 16 3D sensors with resolution to the mN level. At the same time the locomotion behaviour of geckos freely moving on the FMA was recorded by high speed camera. The reaction forces acting on the gecko's individual feet measured by the FMA and correlated with locomotion behaviour provided enough information to reveal the mechanical and dynamic secrets of gecko locomotion. Moreover, dynamic forces were also measured by a force platform and correlated with locomotion behaviour. The difference between the forces measured by the two methods is discussed. From the results we conclude that FMA is the best way to obtain true reaction forces acting on the gecko's individual feet.

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Section: Introductionmentioning

confidence: 99%

Dynamics of gecko locomotion: a force-measuring array to measure 3D reaction forces

Dai

Wang

2011

Journal of Experimental Biology

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“…Indeed, there have been contradictions between these modelpredicted muscle-tendon force patterns and flexor forces measured directly in vivo or by electromyography (EMG) (Darling et al, 1994;Dennerlein et al, 1999;Kuo et al, 2006;Nikanjam et al, 2007). Dennerlein et al (1999) showed that the FDS force ranged from 0 to 4 N before the fingertip touched the key during tapping.…”

Section: Introductionmentioning

confidence: 99%

“…They reported that the mean FDS forces ranged from 1.3 to 8.5 N, respectively. Nikanjam et al (2007) reported that the FDS force ranged from À0.8 to 4.0 N at 01 wrist flexion. These experimental observations about the FDS activities contradicted the predictions from previous models (e.g., An et al, 1979;, 1983;Buchner et al, 1988;Brook et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

A probabilistic finger biodynamic model better depicts the roles of the flexors during unloaded flexion

Zhang

2010

Journal of Biomechanics

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“…These studies used a tendon-force-measurement system [7], force transducers [8], dynamometers [9], force gloves [10], and pinch gauges [11] to take measurements. The tendon forces from the extrinsic muscles of the hand have been measured directly by instrumenting the tendon [12].…”

Section: Introductionmentioning

confidence: 99%

The Effects of Hand Function on the Angle of Holding a Smartphone

Kim¹,

Kim²

2015

Journal of the Korea Academia-Industrial cooperation Society

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The purpose of the study is to prevent pain and malfunction of the hand by correcting the angle of holding a smartphone. Subjects comprised of 21 healthy students. This research was conducted from April 21 2014 to April 27 2014. The three groups were as follows: first group included 7 students who held the phone at an angle of 90 degrees without a sling, and second group included 7 students who held the smartphone at an angle of 90 degrees with a sling; and the third group included 7 students who held the smartphone at an angle of 120 degrees with a sling. VAS was measured through the Finkelstein Test. Also, pain rating and muscle strength were assessed four times 30 minutes before and after the experiment for one and a half hour with pinch grip, dynamometer, and visual analogue scale. Smartphone was used. In all of the measurements, period showed a significant difference (p<.05) between both sides and a significant difference was not found between the group. In the time × group, pain score and grip strength were significantly different in the right side only (p<.05). According to the results of this experiment, providing support to the hand helps to increase the hand function by reducing the stress.

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Finger flexor motor control patterns during active flexion: An in vivo tendon force study

Cited by 25 publications

References 19 publications

Dynamics of gecko locomotion: a force-measuring array to measure 3D reaction forces

Dynamics of gecko locomotion: a force-measuring array to measure 3D reaction forces

A probabilistic finger biodynamic model better depicts the roles of the flexors during unloaded flexion

The Effects of Hand Function on the Angle of Holding a Smartphone

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