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.
The last component of the respiratory system is a muscle structure known as the muscles of respiration. These muscles surround the lungs and allow the inhalation and exhalation of air. The main muscle in this system is known as the diaphragm, a thin sheet of muscle that constitutes the bottom of the thorax. It pulls in air into the lungs by contracting several inches with each breath.