Have they come up with any muscle relaxant that has a direct effect on striated muscle?

While on a road crew was hit by a truck doing 50 when dismounting a semi and four feet above ground level Tore alot of ligaments, and tendons, among them the iliolumbars, which couldn't be repaired, and my SI joint and sciatic nerves, also thoracic regions, mechanical compression causing tetanic muscle spasms. MRs that have sedative effects no impact on the spasms, trigger point injections work but can't get them here. So could use a MR that actually relieves spasms. I also take PTU for Grave's and 4x5mg/d oxycodone. Allergic to NSAIDS, hepatic toxicity. I check for new info every few years.

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