Lisa C. Thibadeau, 38, a physical education teacher at William Winchester Elementary School in Westminster, Md., was pronounced dead at Frederick Memorial Hospital on Sept. 15 of injuries she received that day in a traffic accident on Route 26 in Frederick.

Maryland State Police said Ms. Thibadeau's car ran out of control on wet pavement, crossed the center line, sideswiped an oncoming vehicle and then was struck broadside by another vehicle. She was pronounced dead at Frederick Memorial Hospital.

A resident of Frederick, Ms. Thibadeau was born in Washington. She grew up in Rockville and graduated from Woodward High School.

Ms. Thibadeau graduated from Towson State University, where she majored in physical education, and received a master's degree in exercise science at Western Maryland University.

She began her teaching career in 1988. In addition to teaching in the Carroll County public school system, she had been a substitute teacher in Montgomery, Baltimore, Frederick and Howard counties.

Ms. Thibadeau coached swimming through the YMCA and community programs and volleyball through the Frederick County parks and recreation department.

She was a semiprofessional volleyball player and a weightlifter and competitive body builder. She was a Maryland State Weight Class winner and a member of the East Coast Gold Olympic Weight Lifting Team.

She also was a member of the New Hope Church in Frederick.

Her marriage to Michael Dennis ended in divorce.

Survivors include two children, William Thibadeau Dennis of New Windsor, Md., and Elizabeth Claire Thibadeau of Frederick; her parents, Dr. Robert T. Thibadeau of Rockville and Jeanette B. Thibadeau of Gaithersburg; three sisters, Theresa Watson of Marietta, Ga., Denise Lankes of Charles Town, W.Va., and Paulette Ladas of Silver Spring; four brothers, Robert T. Thibadeau Jr. of Gaithersburg, Richard W. Thibadeau of Washington, David L. Thibadeau of Thurmont, Md., and James J. Thibadeau of Rockville.