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.
Done in this manner, the barbell lunge, similarly to a proper barbell squat engages all the muscles of the leg â glutes (butt), quads (front of the upper leg) and hamstrings (back of the upper leg). Most people do lunges mainly as a quad exercise. This is a huge mistake.