Aerobics instructor: Compared to many forms of exercise, kickboxing aerobics is highly risky. Overextending when kicking often leads to hip, knee, or lower-back injuries. Such overextension is very likely to occur when beginners try to match the high kicks of more skilled practitioners.
Summary
Compared to some other forms of exercise, kickboxing aerobics is highly risky. Overextending while kicking can cause hip, knee, or lower-back injuries. Overextension usually happens when beginners try to match the high kicks of skilled kickboxers.
Strongly Supported Conclusions
To reduce a person’s risk of injuries caused by overextension, that person should avoid overextending while kicking.
A
Skilled practitioners of kickboxing aerobics are unlikely to experience injuries from overextending while kicking.
This answer is unsupported. The aerobics instructor does not give us any information about the likelihood of skilled practitioners experiencing injuries.
B
To reduce the risk of injuries, beginners at kickboxing aerobics should avoid trying to match the high kicks of more skilled practitioners.
This answer is strongly supported. Since we know overextension can cause injury, then students should avoid overextending to reduce their risk of injury. An absent or reduced cause can lead to an absent or reduced effect.
C
Beginners at kickboxing aerobics will not experience injuries if they avoid trying to match the high kicks of more skilled practitioners.
This answer is unsupported. We don’t know if overextending while kicking is the only cause of injury to beginners. It is possible that beginners could experience injury some other way.
D
Kickboxing aerobics is more risky than forms of aerobic exercise that do not involve high kicks.
This answer is unsupported. We know that kickboxing aerobics is more risky than many forms of exercise, but we don’t know whether this comparison is to other forms that do not involve high kicks.
E
Most beginners at kickboxing aerobics experience injuries from trying to match the high kicks of more skilled practitioners.
This answer is unsupported. We do not know whether most beginners will for a fact overextend while kicking.