Fully Implanted Prostheses for Musculoskeletal Limb Reconstruction After Amputation: An In Vivo Feasibility Study

Hall, Patrick T.; Bratcher, Samantha; Stubbs, Caleb; Rifkin, Rebecca E.; Grzeskowiak, Remigiusz M.; Burton, Bryce; Greenacre, Cheryl B.; Stephenson, Stacy M.; Anderson, David E.; Crouch, Dustin L.

doi:10.1007/s10439-020-02645-3

Cited by 5 publications

(13 citation statements)

References 31 publications

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Section: Discussionmentioning

confidence: 59%

“…Maintaining a constant ground-paw pressure may be a locomotor strategy employed by the rabbit's sensorimotor system. However, as seen in our prior study (Hall et al 2021), orthopedic interventions can alter the pressure between the hindlimb and ground. We computed the sagittal-plane position of the knee joint center, which gives an indication of how the joint is moving in the global coordinate system.…”

mentioning

confidence: 62%

“…PeerJ reviewing PDF | (2021:08:64642:0:1:NEW 2 Feb 2022) (Hall et al 2020a), orthopedic interventions can alter the pressure between the hindlimb and ground. When testing our endoprosthesis in the future, it will be interesting to see if rabbits adapt their hindlimb movement to preserve ground-foot pressure throughout stance phase.…”

Section: Discussionmentioning

confidence: 99%

“…Rabbits were housed individually in adjacent crates, fed ad libitum with a standard laboratory diet and Timothy hay, and given daily enrichment and positive human interaction. After this study, the rabbits were subsequently used in another study to test a novel orthopedic implant (Hall et al 2021).…”

Section: Methodsmentioning

confidence: 99%

“…Examples of such interventions include tenotomy of ankle dorsiflexor muscles (Abrams et al 2000) or the Achilles tendon (Nagasawa et al 2008; Reddy et al 1998), immobilization of the knee and/or ankle joint (Gossman et al 1986; Ponten & Friden 2008; Sjostrom et al 1979), and release of tendon retinacula to manipulate muscle-tendon moment arms (Koh & Herzog 1998b; Reddy & Gupta 2007). Recently, we adopted a rabbit model to test the feasibility of a new type of ankle-foot prosthesis (Hall et al 2021). For these interventions, quantifying their effect on motor function will be valuable, if not essential, for achieving clinical translation.…”

Section: Introductionmentioning

confidence: 99%

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Rabbit Hindlimb Kinematics and Ground Contact Pressure During the Stance Phase of Hopping Gait

Hall

Stubbs

Anderson

et al. 2022

Preprint

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Though the rabbit is a common animal model in musculoskeletal research, there is very limited data reported on healthy rabbit biomechanics. Our objective was to quantify the normative hindlimb biomechanics of six New Zealand White rabbits during the stance phase of hopping gait. We measured biomechanics by synchronously recording sagittal plane motion and ground contact pressure using a video camera and pressure mat, respectively. The range of motion of the foot angle and ankle angle during stance phase was 108.9 degrees and 78.1 degrees, respectively. The maximum vertical ground reaction force and contact area, both averaged across rabbits, were 42.5 ± 11.4 %BW and 7.5 ± 1.8 cm2, respectively. Rabbits are generally considered as having a plantigrade gait pattern, like humans; our study confirmed this. However, unlike humans, rabbits never have a negative foot angle (i.e., toes up) with respect to the ground during stance. Future studies can reference our data to quantify the extent to which orthopedic interventions affect rabbit biomechanics.

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Section: Discussionmentioning

confidence: 59%

mentioning

confidence: 62%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Rabbit Hindlimb Kinematics and Ground Contact Pressure During the Stance Phase of Hopping Gait

Hall

Stubbs

Anderson

et al. 2022

Preprint

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Effect of polyester-based artificial tendons on movement biomechanics: A preliminary in vivo study

Hall¹,

Stubbs²,

Pedersen³

et al. 2023

Journal of Biomechanics

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Myoelectric control of robotic lower limb prostheses: a review of electromyography interfaces, control paradigms, challenges and future directions

et al. 2021

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Objective. Advanced robotic lower limb prostheses are mainly controlled autonomously. Although the existing control can assist cyclic movements during locomotion of amputee users, the function of these modern devices is still limited due to the lack of neuromuscular control (i.e. control based on human efferent neural signals from the central nervous system to peripheral muscles for movement production). Neuromuscular control signals can be recorded from muscles, called electromyographic (EMG) or myoelectric signals. In fact, using EMG signals for robotic lower limb prostheses control has been an emerging research topic in the field for the past decade to address novel prosthesis functionality and adaptability to different environments and task contexts. The objective of this paper is to review robotic lower limb Prosthesis control via EMG signals recorded from residual muscles in individuals with lower limb amputations. Approach. We performed a literature review on surgical techniques for enhanced EMG interfaces, EMG sensors, decoding algorithms, and control paradigms for robotic lower limb prostheses. Main results. This review highlights the promise of EMG control for enabling new functionalities in robotic lower limb prostheses, as well as the existing challenges, knowledge gaps, and opportunities on this research topic from human motor control and clinical practice perspectives. Significance. This review may guide the future collaborations among researchers in neuromechanics, neural engineering, assistive technologies, and amputee clinics in order to build and translate true bionic lower limbs to individuals with lower limb amputations for improved motor function.

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Fully Implanted Prostheses for Musculoskeletal Limb Reconstruction After Amputation: An In Vivo Feasibility Study

Cited by 5 publications

References 31 publications

Rabbit Hindlimb Kinematics and Ground Contact Pressure During the Stance Phase of Hopping Gait

Rabbit Hindlimb Kinematics and Ground Contact Pressure During the Stance Phase of Hopping Gait

Effect of polyester-based artificial tendons on movement biomechanics: A preliminary in vivo study

Myoelectric control of robotic lower limb prostheses: a review of electromyography interfaces, control paradigms, challenges and future directions

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