Injected cocaine can be detected in the urine even 20 hours or more from use. The cocaine metabolites (benzoylecgonine, ecgonine methyl ester and coca ethylene) are detected until 60 hours from last single use or 22 days after continual use.
1 Hip muscles. 2  Lunges work all of the gluteal muscles in the hips, primarily the gluteus maximus that is used to extend your hips. 3  Taking large steps during a lunge can further engage this muscle. 4  The gluteus minimus and gluteus medius are also used to stabilize your body throughout the lunge.
Lunges work similar muscles to squats, but not exactly the same. You also have to remember that you're doing the same work, with all of your weight on one leg, rather than two. I find that lunges work the muscles on the inside of my knees more than squats.