5 second gesture drawing , get the entire unit down to describe an the pose

Gesture drawing of an animal, lines are fluid and constant 

apx 15 - 30 sec gesture drawing

Master, Honore Daumier, Study of female dancers, Gesture Drawing 1808 - 1879

Notice the curves in the line and how the figure and pose is described well in this sketch 

Gesture drawing, overlapping method

Gesture drawing of objects, notice the line enters the form, are expressive