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  8. ↑ Jump up to:8.0 8.1 8.2 Lluch E, Schomacher J, Gizzi L, Petzke F, Seegar D, Falla D. Immediate effects of active cranio-cervical flexion exercise versus passive mobilisation of the upper cervical spine on pain and performance on the cranio-cervical flexion test. Manual therapy. 2014 Feb 28;19(1):25-31.[Accessed 6 June 2018] Available from:
  9. ↑ Jump up to:9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 Falla D. Unravelling the complexity of muscle impairment in chronic neck pain. Manual therapy. 2004 Aug 1;9(3):125-33. [Accessed 6 June 2018] Available from:
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  14. ↑ Jump up to:14.0 14.1 14.2 14.3 14.4 Painkra JP, Kumar S, Anwer S, Kumar R, Nezamuddin M, Equebal A. Reliability of an assessment of deep neck flexor muscle endurance test: A cross-sectional study. International Journal of Therapy and Rehabilitation. 2014 May;21(5):227-31. [Accessed 8 June 2018] Available from:
  15. ↑ Jump up to:15.0 15.1 15.2 15.3 Parazza S, Vanti C, O’Reilly C, Villafañe JH, Moreno JM, De Miguel EE. The relationship between cervical flexor endurance, cervical extensor endurance, VAS, and disability in subjects with neck pain. Chiropractic & manual therapies. 2014 Dec;22(1):10.  [Accessed 8 June 2018] Available from:
  16. ↑ Jump up to:16.0 16.1 16.2 16.3 Clark NC, et al., Proprioception in musculoskeletal rehabilitation. Part 2: Clinical assessment and intervention,Manual Therapy (2015), [Accessed 7 Jun 2018] Available from:
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