The professional secrecy instituted in the interest of patients is binding on the masseur-physiotherapist and the physiotherapy student under the conditions established by articles L. 1110-4 and L. 4323-3 respectively. Secrecy covers everything that comes to the knowledge of the masseur-physiotherapist in the exercise of his profession, i.e. not only what has been entrusted to him, but also what he has seen, heard or understood.