**Author details**

Maria de Fátima Domingues1 \*, Cátia Tavares2 , Tiago Leite1,2, Nélia Alberto1 , Cátia Leitão1,2, Carlos Marques1,2, Ayman Radwan1 , Eduardo Rocon3 , Paulo Antunes1,2 and Paulo André4

1 Instituto de Telecomunicações, Campus Universitário de Santiago, Aveiro, Portugal

2 Department of Physics & I3N, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal

3 Centro de Automática y Robótica, CSIC-UPM, Madrid, Spain

4 Department of Electrical and Computer Engineering, Instituto de Telecomunicações, Instituto Superior Técnico, University of Lisbon, Lisbon, Portugal

\*Address all correspondence to: fatima.domingues@ua.pt

© 2018 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

**47**

*Fiber Bragg Gratings as e-Health Enablers: An Overview for Gait Analysis Applications*

[9] Kerrigan D, Tidd M, Croce U, et al. Biomechanical gait alterations independent of speed in the healthy elderly: Evidence for specific limiting impairments. Archives of Physical Medicine and Rehabilitation. 1998;**79**:317-322. DOI: 10.1016/ S0003-9993(98)90013-2

[10] Stolze H, Klebe S, Getersen G, et al. Typical features of cerebellar ataxic gait. Journal of Neurology, Neurosurgery and Psychiatry. 2002;**73**:310-312. DOI:

[11] Afilalo J, Eisenberg M, Morin J-F, et al. Gait speed as an incremental predictor of mortality and major morbidity in elderly patients undergoing cardiac surgery. Journal of the American College of Cardiology. 2010;**56**:1668-1676. DOI: 10.1016/j.jacc.2010.06.039

[12] Domingues M, Tavares C, Leitão C, et al. Insole optical fibre Bragg grating sensors network for dynamic vertical force monitoring. Journal of Biomedical Optics. 2017;**22**:091507(8pp). DOI:

10.1117/1.JBO.22.9.091507

S0966-6362(01)00100-X

[13] Sutherland D. The evolution of clinical gait analysis part I: Kinesiological EMG. Gait and

Posture. 2001;**14**:61-70. DOI: 10.1016/

[14] Sutherland D. The evolution of clinical gait analysis. Part II kinematics. Gait Posture. 2002;**16**:159-179. DOI: 10.1016/S0966-6362(02)00004-8

[15] Sutherland D. The evolution of clinical gait analysis part III–Kinetics and energy assessment. Gait and Posture. 2005;**21**:447-461. DOI: 10.1016/j.gaitpost.2004.07.008

[16] Mummolo C, Mangialardi L, Kim J. Quantifying dynamic characteristics of human walking for comprehensive gait cycle. Journal of Biomechanical

10.1136/jnnp.73.3.310

*DOI: http://dx.doi.org/10.5772/intechopen.81136*

[1] Kawasaki B, Hill K, Johnson D, et al. Narrow-band Bragg reflectors in optical fibers. Optics Letters. 1978;**3**:66-68.

[2] Lam D, Garside B. Characterization of single-mode optical fiber filters. Applied Optics. 1981;**20**:440-445. DOI:

DOI: 10.1364/OL.3.000066

10.1364/AO.20.000440

10.1109/50.618320

9780080919911

10.1063/1.108786

10.3390/s140203362

[7] Muro-de-la-Herran A,

Garcia-Zapirain B, Mendez-Zorrilla A. Gait analysis methods: An overview of wearable and non-wearable systems, highlighting clinical applications. Sensors. 2014;**14**:3362-3394. DOI:

[8] Gehlsen G, Beekman K, Assmann N, et al. Gait characteristics in multiple sclerosis: Progressive changes and effects of exercise on parameters. Archives of Physical Medicine and Rehabilitation. 1986;**67**:536-539. DOI: 10.5555/ uri:pii:0003999386905496

[3] Hill K, Meltz G. Fiber Bragg grating technology fundamentals and overview. Journal of Lightwave Technology. 1997;**15**:1263-1276. DOI:

[4] Kashyap R, editor. Fiber Bragg Gratings. 2nd ed. San Diego: Academic Press; 2009. 632 p. ISBN:

[5] Meltz G, Morey W, Glenn W. Formation of Bragg gratings in optical fibers by a transverse holographic method. Optics Letters. 1989;**14**:823- 825. DOI: 10.1364/OL.14.000823

[6] Hill K, Malo B, Bilodeau F, et al. Bragg gratings fabricated in monomode photosensitive optical fiber by UV exposure through a phase mask. Applied Physics Letters. 1993;**62**:1035-1037. DOI:

**References**

*Fiber Bragg Gratings as e-Health Enablers: An Overview for Gait Analysis Applications DOI: http://dx.doi.org/10.5772/intechopen.81136*
