Why are arm circles considered a dangerous stretching exercise?
a. they are a ballistic stretching exercise.
b. the stretch the shoulder muscles.
c. they can injure the hip joints.
d. they are a static stretching exercise.

Arm circles are considered as a dangerous stretching exercise because it may stretch the shoulder muscles if not done in proper way (b).

Further Explanation:

Stretching is an example of exercise in which particular muscle is stretched to develop the elasticity of muscle. It is a degree at which muscle can relax or contract. Different kinds of stretching are:

In ballistic stretching, the bouncing movements are used to get into momentum, which eventually stretches the muscles. This type of exercise is extremely risky because there is a high chance of injury. In static stretching, the stretch is held in a tough position even though it’s comfortable. This stretch is usually for twenty to thirty second. It increases the flexibility of an individual. The static stretching is also of two types active and passive stretching.  

The dynamic stretching involves moving part of the body and slowly increases the movement of body. Arm circle stretching is a kind of stretching exercise done before the static stretching exercise. This stretching mainly targets the biceps shoulders, back and triceps. This exercise is relatively risky than other exercises. If this stretching is not done in proper manner it damages the arm and shoulder of an individual. It should be done slowly and in proper manner.

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Answer Details:

Grade: High School

Subject: Health

Chapter: Stretching

Keywords:

Static, dynamic, passive, active, stretching, exercises, benefits, flexibility, twenty, thirty, balance stretching, movement, body, arm stretching, shoulder, triceps.

obviously, the latter.