Predictive models for isokinetic ankle muscle strength relating to age, mass, stature, sex and shoe size

Research output: Contribution to journalMeeting Abstract

Abstract

The importance of measuring ankle muscle strength (AMS) has been demonstrated in research, clinical practice and sporting performance. Reference values or ranges for other joints are commonly used in the literature, however, there are limited reference values for ankle muscle strength. Although literature concerning reference ranges for AMS is evident, reference ranges for all of the eight reciprocal isokinetic movements of the ankle complex are not considered (Benfica et al. Reference values for muscle strength: a systematic review with a descriptive meta-analysis. Brazilian Journal of Physical Therapy, 2018; 22(5), 355–369). Therefore, due to the limitations in the current literature, the aim of this study is to produce a comprehensive set of predictive models that will provide reference ranges for concentric and eccentric plantar flexion, dorsiflexion, inversion and eversion. Following institutional ethics approval, in the first part of the study dominant ankle muscle strength was measured for concentric and eccentric plantar flexion and dorsiflexion (60°/s-1), and inversion and eversion (120°/s-1) in 120 healthy adults. A stepwise linear regression analysis was performed using sex, stature, mass, age, and shoe size as variables. Based on the results of this analysis predictive models for each of the eight isokinetic muscle actions were generated. In the second part of the study these models were used to predict the average ankle muscle strength of 15 healthy adults. Each of the eight ankle muscle strength measures taken from the validation population fell within the calculated reference ranges. A paired samples t-test indicated that there was no significant difference between the predicted and measured results (P < 0.05). The isokinetic AMS models presented here can be used to predict muscle strength in plantar flexion and dorsiflexion measured at 60°/s-1 and inversion and eversion measured at 120°/s-1 . These models could be used in a range of sporting and clinical settings such as examining relationships between AMS and both falling episodes and functional movement in the elderly as well as general ankle stability. A reference range could be used as an indicator of the effectiveness of intervention strategies and the extent of rehabilitation. Where reduced strength is due to pathology rather than injury the validated AMS models produced here could be used to inform on the progress of disease.
Original languageEnglish
Article numberD2.S1.5(4)
Pages (from-to)67-67
Number of pages1
JournalJournal of Sports Sciences
Volume37
Issue numbersup1
Early online date8 Nov 2019
DOIs
Publication statusPublished - 8 Nov 2019
EventBASES 2019 Annual Conference - Leicester, United Kingdom
Duration: 19 Nov 201920 Nov 2019
https://www.basesconference.co.uk/

Fingerprint

Shoes
Muscle Strength
Ankle
Reference Values
Institutional Ethics
Accidental Falls
Ankle Injuries
Meta-Analysis
Linear Models
Rehabilitation
Joints
Regression Analysis
Pathology

Cite this

@article{23b1e2d8aa824694befeff4404178d98,
title = "Predictive models for isokinetic ankle muscle strength relating to age, mass, stature, sex and shoe size",
abstract = "The importance of measuring ankle muscle strength (AMS) has been demonstrated in research, clinical practice and sporting performance. Reference values or ranges for other joints are commonly used in the literature, however, there are limited reference values for ankle muscle strength. Although literature concerning reference ranges for AMS is evident, reference ranges for all of the eight reciprocal isokinetic movements of the ankle complex are not considered (Benfica et al. Reference values for muscle strength: a systematic review with a descriptive meta-analysis. Brazilian Journal of Physical Therapy, 2018; 22(5), 355–369). Therefore, due to the limitations in the current literature, the aim of this study is to produce a comprehensive set of predictive models that will provide reference ranges for concentric and eccentric plantar flexion, dorsiflexion, inversion and eversion. Following institutional ethics approval, in the first part of the study dominant ankle muscle strength was measured for concentric and eccentric plantar flexion and dorsiflexion (60°/s-1), and inversion and eversion (120°/s-1) in 120 healthy adults. A stepwise linear regression analysis was performed using sex, stature, mass, age, and shoe size as variables. Based on the results of this analysis predictive models for each of the eight isokinetic muscle actions were generated. In the second part of the study these models were used to predict the average ankle muscle strength of 15 healthy adults. Each of the eight ankle muscle strength measures taken from the validation population fell within the calculated reference ranges. A paired samples t-test indicated that there was no significant difference between the predicted and measured results (P < 0.05). The isokinetic AMS models presented here can be used to predict muscle strength in plantar flexion and dorsiflexion measured at 60°/s-1 and inversion and eversion measured at 120°/s-1 . These models could be used in a range of sporting and clinical settings such as examining relationships between AMS and both falling episodes and functional movement in the elderly as well as general ankle stability. A reference range could be used as an indicator of the effectiveness of intervention strategies and the extent of rehabilitation. Where reduced strength is due to pathology rather than injury the validated AMS models produced here could be used to inform on the progress of disease.",
keywords = "isokinetic, ankle muscle strength",
author = "Michael Fish and Matthew Haines and James Milligan and Jenny Killey",
year = "2019",
month = "11",
day = "8",
doi = "10.1080/02640414.2019.1671688",
language = "English",
volume = "37",
pages = "67--67",
journal = "Journal of Sports Sciences",
issn = "0264-0414",
publisher = "Routledge",
number = "sup1",

}

Predictive models for isokinetic ankle muscle strength relating to age, mass, stature, sex and shoe size. / Fish, Michael; Haines, Matthew; Milligan, James; Killey, Jenny.

In: Journal of Sports Sciences, Vol. 37, No. sup1, D2.S1.5(4), 08.11.2019, p. 67-67.

Research output: Contribution to journalMeeting Abstract

TY - JOUR

T1 - Predictive models for isokinetic ankle muscle strength relating to age, mass, stature, sex and shoe size

AU - Fish, Michael

AU - Haines, Matthew

AU - Milligan, James

AU - Killey, Jenny

PY - 2019/11/8

Y1 - 2019/11/8

N2 - The importance of measuring ankle muscle strength (AMS) has been demonstrated in research, clinical practice and sporting performance. Reference values or ranges for other joints are commonly used in the literature, however, there are limited reference values for ankle muscle strength. Although literature concerning reference ranges for AMS is evident, reference ranges for all of the eight reciprocal isokinetic movements of the ankle complex are not considered (Benfica et al. Reference values for muscle strength: a systematic review with a descriptive meta-analysis. Brazilian Journal of Physical Therapy, 2018; 22(5), 355–369). Therefore, due to the limitations in the current literature, the aim of this study is to produce a comprehensive set of predictive models that will provide reference ranges for concentric and eccentric plantar flexion, dorsiflexion, inversion and eversion. Following institutional ethics approval, in the first part of the study dominant ankle muscle strength was measured for concentric and eccentric plantar flexion and dorsiflexion (60°/s-1), and inversion and eversion (120°/s-1) in 120 healthy adults. A stepwise linear regression analysis was performed using sex, stature, mass, age, and shoe size as variables. Based on the results of this analysis predictive models for each of the eight isokinetic muscle actions were generated. In the second part of the study these models were used to predict the average ankle muscle strength of 15 healthy adults. Each of the eight ankle muscle strength measures taken from the validation population fell within the calculated reference ranges. A paired samples t-test indicated that there was no significant difference between the predicted and measured results (P < 0.05). The isokinetic AMS models presented here can be used to predict muscle strength in plantar flexion and dorsiflexion measured at 60°/s-1 and inversion and eversion measured at 120°/s-1 . These models could be used in a range of sporting and clinical settings such as examining relationships between AMS and both falling episodes and functional movement in the elderly as well as general ankle stability. A reference range could be used as an indicator of the effectiveness of intervention strategies and the extent of rehabilitation. Where reduced strength is due to pathology rather than injury the validated AMS models produced here could be used to inform on the progress of disease.

AB - The importance of measuring ankle muscle strength (AMS) has been demonstrated in research, clinical practice and sporting performance. Reference values or ranges for other joints are commonly used in the literature, however, there are limited reference values for ankle muscle strength. Although literature concerning reference ranges for AMS is evident, reference ranges for all of the eight reciprocal isokinetic movements of the ankle complex are not considered (Benfica et al. Reference values for muscle strength: a systematic review with a descriptive meta-analysis. Brazilian Journal of Physical Therapy, 2018; 22(5), 355–369). Therefore, due to the limitations in the current literature, the aim of this study is to produce a comprehensive set of predictive models that will provide reference ranges for concentric and eccentric plantar flexion, dorsiflexion, inversion and eversion. Following institutional ethics approval, in the first part of the study dominant ankle muscle strength was measured for concentric and eccentric plantar flexion and dorsiflexion (60°/s-1), and inversion and eversion (120°/s-1) in 120 healthy adults. A stepwise linear regression analysis was performed using sex, stature, mass, age, and shoe size as variables. Based on the results of this analysis predictive models for each of the eight isokinetic muscle actions were generated. In the second part of the study these models were used to predict the average ankle muscle strength of 15 healthy adults. Each of the eight ankle muscle strength measures taken from the validation population fell within the calculated reference ranges. A paired samples t-test indicated that there was no significant difference between the predicted and measured results (P < 0.05). The isokinetic AMS models presented here can be used to predict muscle strength in plantar flexion and dorsiflexion measured at 60°/s-1 and inversion and eversion measured at 120°/s-1 . These models could be used in a range of sporting and clinical settings such as examining relationships between AMS and both falling episodes and functional movement in the elderly as well as general ankle stability. A reference range could be used as an indicator of the effectiveness of intervention strategies and the extent of rehabilitation. Where reduced strength is due to pathology rather than injury the validated AMS models produced here could be used to inform on the progress of disease.

KW - isokinetic

KW - ankle muscle strength

UR - https://www.basesconference.co.uk/

U2 - 10.1080/02640414.2019.1671688

DO - 10.1080/02640414.2019.1671688

M3 - Meeting Abstract

VL - 37

SP - 67

EP - 67

JO - Journal of Sports Sciences

JF - Journal of Sports Sciences

SN - 0264-0414

IS - sup1

M1 - D2.S1.5(4)

ER -