Dr Aleksandra Birn-Jeffery

Aleksandra Birn-JefferyMSci, PhD

Lecturer in Bioengineering

Essex University



Publications of specific relevance to Advanced Robotics


Gulle H, Prior T, Miller S, Birn-Jeffery AV and Morrissey D (2021). Online questionnaire, clinical and biomechanical measurements for outcome prediction of plantar heel pain: feasibility for a cohort study. Journal of Foot and Ankle Research  vol. 14, (1) 10.1186/s13047-021-00472-w


Neal BS, Lack SD, Barton CJ, Birn-Jeffery A, Miller S and Morrissey D (2020). Is markerless, smart phone recorded two-dimensional video a clinically useful measure of relevant lower limb kinematics in runners with patellofemoral pain? A validity and reliability study. Physical Therapy in Sport  vol. 43, 36-42. 10.1016/j.ptsp.2020.02.004


Labonte D, Struecker MY, Birn-Jeffery AV and Federle W (2019). Shear-sensitive adhesion enables size-independent adhesive performance in stick insects. Proceedings of the Royal Society B: Biological Sciences  vol. 286, (1913) 10.1098/rspb.2019.1327
Neal BS, Barton CJ, Birn-Jeffery A and Morrissey D (2019). Increased hip adduction during running is associated with patellofemoral pain and differs between males and females: A case-control study. Journal of Biomechanics  vol. 91, 133-139. 10.1016/j.jbiomech.2019.05.014
Hinds N, ANGIOI M, BIRN-JEFFERY AV and TWYCROSS-LEWIS R (2019). A systematic review of shoulder injury prevalence, proportion, rate, type, onset, severity, mechanism and risk factors in female artistic gymnasts. Physical Therapy in Sport  vol. 35, 106-115.


Neal BS, Barton CJ, Birn-Jeffrey A, Daley M and Morrissey D (2018). The effects & mechanisms of increasing running step rate: A feasibility study in a mixed-sex group of runners with patellofemoral pain. Physical Therapy in Sport  vol. 32, 244-251. 10.1016/j.ptsp.2018.05.018
Daley MA and BIRN-JEFFERY AV (2018). Scaling of avian bipedal locomotion reveals independent effects of body mass and leg posture on gait. Journal of Experimental Biology  10.1242/jeb.152538


Lack S, Birn-Jeffery A, Beasley I and Morrissey D (2017). Queen Mary University London: one of the longest established masters of sport and exercise medicine globally (continuing professional development series). British Journal of Sports Medicine  vol. 52, (3) 10.1136/bjsports-2017-098108


Birn-Jeffery AV and Higham TE (2016). Light level impacts locomotor biomechanics in a secondarily diurnal gecko, Rhoptropus afer. J Exp Biol  vol. 219, (Pt 22) 3649-3655. 10.1242/jeb.143719
Müller R, Birn-Jeffery AV and Blum Y (2016). Human and avian running on uneven ground: a model-based comparison. J R Soc Interface  vol. 13, (122) 10.1098/rsif.2016.0529
Birn-Jeffery AV and Higham TE (2016). Geckos decouple fore- and hind limb kinematics in response to changes in incline. Frontiers in Zoology  vol. 13, (1) 10.1186/s12983-016-0144-2


Hubicki CM, Birn-Jeffery AV, Jones M, Hurst JW and Daley MA (2015). Task-level Priorities in Ground-running Bird Locomotion: Experiments to Math Models to Robots by Way of Optimization. INTEGRATIVE AND COMPARATIVE BIOLOGY  vol. 55, E83-E83.
Higham TE, Birn-Jeffery AV, Collins CE, Hulsey CD and Russell AP (2015). Adaptive simplification and the evolution of gecko locomotion: Morphological and biomechanical consequences of losing adhesion. Proceedings of the National Academy of Sciences of the United States of America  vol. 112, (3) 809-814. 10.1073/pnas.1418979112
Higham TE, Measey GJ, Birn-Jeffery AV, Herrel A and Tolley KA (2015). Functional divergence between morphs of a dwarf chameleon: Differential locomotor kinematics in relation to habitat structure. Biological Journal of the Linnean Society  vol. 116, (1) 27-40. 10.1111/bij.12566


Birn-Jeffery AV and Higham TE (2014). The scaling of uphill and downhill locomotion in legged animals. Integrative and Comparative Biology  vol. 54, (6) 1159-1172. 10.1093/icb/icu015
Birn-Jeffery AV and Higham TE (2014). Geckos significantly alter foot orientation to facilitate adhesion during downhill locomotion. Biology Letters  vol. 10, (10) 10.1098/rsbl.2014.0456
Blum Y, Vejdani HR, Birn-Jeffery AV, Hubicki CM, Hurst JW and Daley MA (2014). Swing-leg trajectory of running guinea fowl suggests task-level priority of force regulation rather than disturbance rejection. PLoS ONE  vol. 9, (6) 10.1371/journal.pone.0100399
Birn-Jeffery AV, Hubicki CM, Blum Y, Renjewski D, Hurst JW and Daley MA (2014). Don't break a leg: Running birds from quail to ostrich prioritise leg safety and economy on uneven terrain. Journal of Experimental Biology  vol. 217, (21) 3786-3796. 10.1242/jeb.102640
Daley MA and Birn-Jeffery AV (2014). Scaling of avian bipedal locomotion: How does body size influence gait dynamics in level and uneven terrain? INTEGRATIVE AND COMPARATIVE BIOLOGY  vol. 54, E47-E47.
Birn-Jeffery AV and Higham TE (2014). What goes up must come down: how sloped surfaces impact the mechanics of locomotion. INTEGRATIVE AND COMPARATIVE BIOLOGY  vol. 54, E20-E20.


Birn-Jeffery AV, Hubicki C, Blum Y, Hurst J and Daley MA (2013). Don t break a leg: injury prevention, robustness and stability of legged locomotion. INTEGRATIVE AND COMPARATIVE BIOLOGY  vol. 53, E17-E17.
Blum Y, Birn-Jeffery AV, Vejdani HR, Hurst JW and Daley MA (2013). Swing Leg Control: Disturbance rejection versus injury avoidance. INTEGRATIVE AND COMPARATIVE BIOLOGY  vol. 53, E250-E250.


Birn-Jeffery AV, Miller CE, Naish D, Rayfield EJ and Hone DWE (2012). Pedal Claw Curvature in Birds, Lizards and Mesozoic Dinosaurs - Complicated Categories and Compensating for Mass-Specific and Phylogenetic Control. PLoS ONE  vol. 7, (12) 10.1371/journal.pone.0050555
Birn-Jeffery AV and Daley MA (2012). Birds achieve high robustness in uneven terrain through active control of landing conditions. Journal of Experimental Biology  vol. 215, (12) 2117-2127. 10.1242/jeb.065557
Birn-Jeffery AV and Daley MA (2012). The effects of posture and body mass on uneven terrain locomotion in Galliformes and Struthio camelus. INTEGRATIVE AND COMPARATIVE BIOLOGY  vol. 52, E14-E14.


Blum Y, Birn-Jeffery A, Daley MA and Seyfarth A (2011). Does a crouched leg posture enhance running stability and robustness? Journal of Theoretical Biology  vol. 281, (1) 97-106. 10.1016/j.jtbi.2011.04.029
Birn-Jeffery AV and Daley MA (2011). The effects of uneven terrain on Galliformes running mechanics. INTEGRATIVE AND COMPARATIVE BIOLOGY  vol. 51, E11-E11.


Birn-Jeffery AV and Daley MA (2009). Coping mechanisms for rough terrain running in Guinea fowl (Numida meleagris). Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology  vol. 153, (2) s137-s138. 10.1016/j.cbpa.2009.04.251