Abstract
Background
Variations in lower limb biomechanics can predispose to Achilles tendinopathy (AT). However, evidence on lower limb biomechanical factors associated with AT in runners is limited.
Aims
This review aimed to examine the existing literature systematically to identify lower limb biomechanical factors associated with AT in runners.
Methods
SCOPUS, ScienceDirect, and PUBMED databases were searched in April 2021 to investigate various lower limb biomechanics such as kinetics, kinematics, muscle activity, plantar pressure, and temporospatial parameter variables during running among AT patients.
Results
Ten studies reported significant differences in knee flexion angle, ankle dorsiflexion, ankle eversion, touchdown angle, and plantarflexion moment between runners with and without AT. Plantar pressure and the ground reaction force variables were also found to be significant discriminators. Muscle activity of tibialis anterior, as well as medial and lateral gastrocnemius during various running phases showed significant differences associated with AT. Runners with AT displayed a longer duration of eversion and over-pronation compared to healthy controls. The mechanical effects of orthotic shoes in runners were able to reduce the incidence of AT.
Conclusions
The findings of the current review indicated the biomechanical factors that could contribute to AT among runners. These factors can be assessed in clinical settings to minimise the injury risk among runners. The protocol of the review was registered at PROSPERO (CRD42021237500) on 18th March 2021.
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Abbreviations
- AT:
-
Achilles tendinopathy
- GRF:
-
Ground reaction force
- EMG:
-
Electromyography
- VISA-A:
-
Victorian Institute of Sport Assessment-Achilles questionnaire
- SD:
-
Standard deviation
- BW:
-
Force normalized to subject body weight
- CASO:
-
Customized arch support orthoses
- HL:
-
Orthotic heel lift
- PFM:
-
Plantar flexion moment
- Nm:
-
Moment
- W:
-
Watt
- s:
-
Seconds
- kg:
-
Kilogram
- ROM:
-
Range of motion
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The study was funded by Universiti Sains Malaysia RUI Grant (1001/PPSK/8012364).
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F.L.Z. and N.A.A.R. wrote the main manuscript. F.L.Z. prepared Tables 2-7 and Figure 2-3. N.A.A.R. prepared Table 1 and Figure 1. F.L.Z., N.A.A.R., R.R. and S.S. drafted and reviewed the manuscript. S.S. obtained the research funding, provided subject matter expertise and support throughout all stages of manuscript writing. We confirm that the manuscript has been read and approved by all named authors before the manuscript was finalized. There are no other persons who satisfied the criteria for authorship but are not listed. We further confirm that all have approved the order of authors listed in the manuscript.
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Zainuddin, F.L., Abd Rahman, N.A., Razman, R. et al. Lower limb biomechanical factors associated with Achilles tendinopathy in runners: a systematic review. Sport Sci Health 18, 27–38 (2022). https://doi.org/10.1007/s11332-021-00862-4
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DOI: https://doi.org/10.1007/s11332-021-00862-4