MA TOXICS USE REDUCTION ACT - CURRENT CHEMICAL LIST. HHS = higher hazard substance, LHS = lower hazard substance, PBT = persistent bioaccumulative toxic chemical. C = Reportable as Part of a Chemical Category, X = Reportable as Individual Chemical. TURA CHEMICAL LIST v. March 21, 2017.
Take it easy and rest your strained muscle. Most muscle pulls occur from either lifting too much weight, doing something too often (repetition), moving awkwardly or experiencing trauma (car accident, sports injury). The first step with any muscle strain (and most musculoskeletal injuries in general) is to rest it.
These motions put great force on the shoulder, stretching the shoulder ligaments over time. It can cause pain that comes on either quickly or over time, a feeling that the shoulder is loose, or a weakness in the arm. Treatment includes rest, physical therapy or surgery.