The players and the coach are facing each other, as shown.
The coach holds a ball in his hands.

The dynamic single leg stability is running, landing etc. 
Static stance is a good starting point in a progression. 
The static way mainly a proprioception exercise. 
It needs enough mobility in the ankle and hip but at the same time needs strength and stability in the joints to keep a balance position.
In this exercise the player is standing in a static way during the implementation.
By the variations, we give you some solutions, examples how you can use different surfaces of the player’s foot in one leg stance passing exercise. 
You can use as many surfaces, variations as you want. 

In this exercise you can see three variations:

• The coach throws the ball for the player, who passes it back in the air with the inside of the foot.
• The coach throws the ball for the player, who makes a half volley pass with the instep of the foot.
• The coach throws the ball for the player, who makes a half volley pass with the inside of the foot.