Diagonal

The student used a ruler to draw a diagonal line from one corner of the paper to the opposite corner.

She felt a sharp pain in her diagonal abdominal muscle while doing sit-ups.

The yoga instructor demonstrated a pose that targeted the diagonal muscles in the abdomen.

The surgeon made a diagonal incision during the procedure to access the affected area more efficiently.

The knight parried the opponent's attack with a swift diagonal, deflecting the sword away.

The chessboard is arranged in alternating light and dark diagonal squares.