22/m i been having ,cramps on my hands ,arms ,lil twitches all over my body , also in my neck when i make a gesture ,weakness in arms , can it be als?

No way.: There are several neurological as well as other conditions that might underlie your symptoms, but it is interesting that you chose to ask about ALS which is not typically seen in anyone close to your age. Thus a thorough Neurological evaluation and nutritional assessment for vitamin deficiencies & metabolism issues is appropriate. You could start with your Primary MD who could do the initial eval.

In your case: is a sign of anxiety, and one that can cause a great deal of distress. Depending on the cause of your anxiety symptoms, your health care provider can recommend appropriate treatment. See your PCP for evaluation and possible referral.