Essay Title - When you ask a patient to plantar flex a foot, what changes occur within the muscles involved?” reference material provided Tortora, G.J. and Derrickson, B.H XXXXXXXXXXPrinciples of...

Essay Title - When you ask a patient to plantar flex a foot, what changes occur within the muscles involved?” reference material provided Tortora, G.J. and Derrickson, B.H. (2010) Principles of anatomy and physiology (Tortora, principles of anatomy and physiology). 12th edn. United Kingdom: Wiley, John & Sons. Frowen, P., Lorimer, D.L., O’Donnell, M., Burrow, G.J., French, G.J. and Wall, B. (2010) Neale’s disorders of the foot. 8th edn. Edinburgh: Elsevier Churchill Livingstone. Google scholar Essay should include an understanding of the myofilament sliding theory Page numbers required where references and direct quotes are taken