Journal de l'ostéoporose et de l'activité physique
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Effects of 50 Days Ovomet^® Supplementation on Biomechanical Parameters and Subjective Pain Perception among Old Institutionalized Patients. A Preliminary Study

Andrés Aguirre, Erena Gil Quintana, Marisa Fenaux, Sandra Erdozain and Manuel La Nuez

According to previous published works, the eggshell membrane has shown a positive effect on the joint pain relief. In this study, several tests were performed to measure the effect of Ovomet^® (eggshell membrane) supplementation on the subjective perception and biomechanical variables in institutionalized patients of advanced age before and after 50 days of 300 mg Ovomet^® administration. The aim was to demonstrate and verify the protective and regenerative effects of Ovomet^® on the joints. To measure this effects some pain perception questionnaires were performed and biomechanical variables such as muscle strength and power in knee extension, linear stiffness of the Achilles tendon (AT) by ultrasound, muscle stiffness by means of sensor in two different manoeuvers were carried out. In conclusion, the daily intake of 300 mg Ovomet^® during 50 days showed a positive effect on the linear stiffness of the AT in institutionalized elderly patients showing the usefulness of the echography technique of linear stiffness of the AT to study the factors that increase the protection capacity of the joints.