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Answer:
the knee is a joint because a joint is defined as A joint or articulation (or articular surface) is the connection made between bones in the body which link the skeletal system into a functional whole. They are constructed to allow for different degrees and types of movement.
Answer:
b. One-ins
Explanation:
One ins or 1-ins is a type of physical exercise that is done to achieve speed, quickness and agility. Almost all the athletes trains or does one ins to developed agility and speed. This exercise improves heir strength and their efficiency.
In the one ins exercise, one has to run straight through a ladder positioned flat on the ground keeping one foot in each of the box. He should pump the arms and keep the chest up.
The foot and the ankle should be positioned straight ahead in the dorsi-flexed position when it hits the ground.
Hence the correct option is (b).
