Adumbbell lunge is an example of which of the following?
a. isotonic training
b. isokinetic training
c. dynamic constant external resistance training
d. plyometric training

c. dynamic constant external resistance training

Explanation:

The dumbbell lunge is a exercise which is done by a single leg. It increases the strength of the body. It improves the stability of the body and develops the speed of the lower body. It is done along with dumbells held on hands and lying down with lower knee down.

C. is the correct option this is because of the fact that it involves both lifting as well as concentric phase as well as in lowering or eccentric phase.

answer: no, they are not.*

although rubber bands that contain excessive amounts of dye, toxins, or additives are sometimes toxic, most rubber bands do not cause any health issues. since they are typically made of latex, (a natural substance that is extracted from trees) they are not dangerous in any way if you chew them or accidentally ingest a piece of rubber band. however, chewing rubber bands does pose a choking hazard and is not a good habit to have.

*depending on the type of rubber band. the typical rubber bands that you see at stores are not toxic, but other types of rubber or latex that contains certain chemicals may be unhealthy and hazardous.