Youssef, A. R., L. D, S. R, L. T, and W. Herzog,
"Exercising Weak Muscles Causes Selective Degeneration of Knee Cartilage",
56th annual meeting of the Orthopaedic Research Society, New Orleans, USA, 2010.
Youssef, A. R., S. R, L. T, and W. Herzog,
"Muscle weakness Causes Joint Degenration in Rabbits",
Proceedings of the 8th Alberta Biomedical Engineering conference, Banff, Alberta, Canada, 2007.
Youssef, A. R., S. R, and W. Herzog,
"Spontaneous Arthritis in Rabbit Is Not Aggravated by Increase in Physical Activity",
Proceedings of the 9th Alberta Biomedical Engineering conference, Banff, Alberta, Canada, pp. 23, 2008.
Youssef, A. R., S. R, L. T, and W. Herzog,
"Effects of Hind-Limb Muscle Weakness on Knee Osteoarthritis in Rabbits",
Proceedings of the 10th Alberta Biomedical Engineering conference, Banff, Alberta, Canada, 2009.
Youssef, A. R., L. D, S. E, S. R, L. T, and W. Herzog,
"Cartilage Degeneration in Different Models of Osteoarthritis in the New Zealand Rabbit",
11th Alberta Biomedical Engineering conference, Banff, Alberta, Canada, 2010.
Youssef, A. R., H. A. H., I. M. M., D. M. M, and H. G. A.,
"Effects of Early Closed Kinetic Chain Exercises on the Rate of Callus Formation during Distraction Osteogenesis by Ilizarov's Method",
European Federation Of National Associations of Orthopaedics and Traumatology proceedings, Lisbon, Portugal, 2002.
Youssef, A. R., W. F. Hafez, khaled ayad, and E. S. B. Saweeres,
"Mobilization and taping in treatment of shoulder impingement syndrome",
APTA CSM, Las Vegas, Nevada, USA, 2014.