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.
Hallucinations will occur when the mind state is in-between the dream and conscious state. They occur when your mind do not switch back to the conscious state. Some of the causes of hallucinations are being drunk; cease using the drugs such as marijuana, cocaine, LSD, PCP, amphetamines, alcohol, ketamine and heroin.