Bluegrass seed require firm soil contact for best germination. They also need a thin soil covering to germinate (1/4 inch ideal) - They are not likely to germinate when thrown out on top of the ground, unless a mulch covering or top soil is applied. Use the correct rate of seed for Bluegrass lawns.
Hip muscles. Lunges work all of the gluteal muscles in the hips, primarily the gluteus maximus that is used to extend your hips. Taking large steps during a lunge can further engage this muscle. The gluteus minimus and gluteus medius are also used to stabilize your body throughout the lunge. Thigh muscles.
A rear lunge works the same muscles but with more emphasis on the quadriceps. The secondary target area is glutes in the buttocks and the muscles in the front and rear of the calf. You do a rear lunge much like a forward lunge, except you step to the rear rather than front. You bend the forward leg until the thigh is parallel to the floor, and bend the rear leg until the knee almost touches.