A Mathematical Model of the Achilles tendon in humans

Chatzistefani, Nefeli; Chappell, M.J.; Hutchinson, Charles E.; Evans, Neil D.

doi:10.1016/j.ifacol.2015.10.178

Cited by 1 publication

(3 citation statements)

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“…A two segment model of the human foot and leg was created in order to develop a musculoskeletal model of the Achilles tendon [14]. As presented in Fig.…”

Section: Model Of the Achilles Tendon The Gastrocnemius Muscle And Tmentioning

confidence: 99%

“…As presented in Fig. 2, it is comprised of i) the Achilles tendon connecting the heel and the gastrocnemius muscle, ii) the gastrocnemius muscle connecting to the Achilles tendon and the tibia, iii) the tibia originating from the ankle joint and ending at the knee and iv) the foot, that is represented by a triangle whose vertices are the heel, the ankle joint and the toe [14]. The foot in the literature is represented either as a rigid body or as two segments when the toe joint is included.…”

Section: Model Of the Achilles Tendon The Gastrocnemius Muscle And Tmentioning

confidence: 99%

“…2. Two segment model of the foot-leg illustrating the connection between the Achilles tendon, the gastrocnemius muscle, the heel and the tibia [14].…”

Section: Model Of the Achilles Tendon The Gastrocnemius Muscle And Tmentioning

confidence: 99%

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A mathematical model characterising Achilles tendon dynamics in flexion

Chatzistefani

Chappell

Hutchinson

et al. 2017

Mathematical Biosciences

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Abstract:The purpose of this study is to acquire mechanistic knowledge of the gastrocnemius muscleAchilles tendon complex behaviour during specific movements in humans through mathematical modelling. Analysis of this muscle-tendon complex was performed to see if already existing muscle-tendon models of other parts of the body could be applied to the leg muscles, especially the gastrocnemius muscleAchilles tendon complex, and whether they could adequately characterise its behaviour. Five healthy volunteers were asked to take part in experiments where dorsiflexion and plantar flexion of the foot were studied. A model of the Achilles tendon-gastrocnemius muscle was developed, incorporating assumptions regarding the mechanical properties of the muscle fibres and the tendinous tissue in series. Ultrasound images of the volunteers, direct measurements and additional mathematical calculations were used to parameterise the model. Ground reaction forces, forces on specific joints and moments and angles for the ankle were obtained from a Vicon 3D motion capture system. Model validation was performed from the experimental data captured for each volunteer and from reconstruction of the movements of specific trajectories of the joints, muscles and tendons involved in those movements.

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“…A two segment model of the human foot and leg was created in order to develop a musculoskeletal model of the Achilles tendon [14]. As presented in Fig.…”

Section: Model Of the Achilles Tendon The Gastrocnemius Muscle And Tmentioning

confidence: 99%

Section: Model Of the Achilles Tendon The Gastrocnemius Muscle And Tmentioning

confidence: 99%