The Distinguished Lecture Series in Sports Medicine of Hope College will examine overload- induced injuries to the musculoskeletal system on Tuesday, Feb. 19, at 7 p.m. at Mary Free Bed Hospital, 235 Wealthy, S.E., in Grand Rapids.

The public is invited. Admission is free.

James Porterfield, who is a certified athletic trainer and physical therapist with Rehabilitation and Health Center of Akron, Ohio, will present the address "Asymmetrical Overload Syndrome: Weight-Bearing Asymmetries and Athletic Injury." The presentation will develop a biomechanical explanation for athletic injuries to the weight-bearing system, seeking to provide insight into injuries including lower back pain and knee pain and how to treat them.

Porterfield is a graduate of the Mayo Clinic School of Physical Therapy. He was named Ohio Physical Therapist of the Year in 1993.

He has written three books on mechanical neck, shoulder and low back pain, in addition to a host of journal articles, abstracts and videos. Porterfield has lectured on spinal conditions in five foreign countries in addition to the more than 85 presentations he has made in the United States.

The Distinguished Lecture Series in Sports Medicine is designed for health care professionals with an interest in physically active patients, and is intended for students, educators and clinicians alike. It is co- sponsored by Holland Community Hospital, GRSportsCenter and the college.