Aerobics instructor: Compared to many forms of exercise, kickboxing aerobics is highly risky.
Given
Compared to many forms of exercise, kickboxing aerobics is highly risky.
Overextending when O -causes→ kicking often leads to hip, knee, or lower-back injuries.
Such overextension is BMK → O very likely to occur when beginners try to match the high kicks of more skilled practitioners.