Planks, a core strengthening exercise, can help you lose weight and shrink down your waistline.
Planks strengthen the core, shoulders, and back and increase metabolism by working greater muscle groups.
Russian twists, a vigorous core workout, might help you lose weight and trim down.
This exercise tightens the waist by engaging the oblique muscles on the sides of the abdomen through circular motions.
These muscles strengthen the core and shape the waistline when the body turns.
Bicycle crunches are a vigorous workout that slims the waist and loses weight.