Quadriceps Setting. This exercise helps to strengthen the quadriceps muscle (the big muscle on the front of the thigh), an important stabilizer of the knee. click to enlarge. Lie on your back with the leg you want to exercise straight. Place a small rolled towel underneath the knee.
Hallucinogens can cause an excited catatonic state, including 3,4-methylenedioxymethamphetamine (ecstasy) and phencyclidine (angel dust). Carbon monoxide poisoning can cause catatonia due to damage to the basal ganglia.
For example, taking a large amount of cocaine all at once can cause psychosis in minutes. Psychosis from cocaine or amphetamine use typically produces persecutory delusions. Hallucinogens can, of course, cause visual, auditory, and tactile hallucinations, but this is not the same as psychosis. However, an adverse reaction or taking too much of this kind of drug can also cause delusions and paranoia.