Cocaine can be detected in the urine for 4-8 hours after a single snorted (nasal) dose, and up to 24 hours after a single ingested (oral) dose. A breakdown product of cocaine, benzoylecgonine can be detected in the urine for up to 60 hours after a single use, or up to 22 days after repeated use.
1. Agonist: The agonist in a movement is the muscle(s) that provides the major force to complete the movement. Because of this agonists are known as the âprime moversâ. In the bicep curl which produces flexion at the elbow, the biceps muscle is the agonist, as seen in the image below.
Dumbbell Preacher Curl. This exercise when perform correctly has the same movement as the concentration curl. The main difference between the two exercises is the concentration curl your upper arm is resting on inside of your leg the preacher curl on the pad. With both exercises you are unable to use your body to help with the lift.