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Muscle Group II Injury (Extrinsic Shoulder Girdle) is rated by the U.S. Department of Veterans Affairs under DC 5302 of 38 CFR § 4.73, DC 5302 across 4 severity tiers (40% / 30% / 20% / 0%). Service connection requires (1) a current diagnosis, (2) an in-service event, injury, or exposure, and (3) a medical nexus opinion linking the two under 38 C.F.R. § 3.303.
Injury to extrinsic shoulder girdle muscles (pectoralis major II, latissimus dorsi, teres major, rhomboid) controlling arm depression
Rating criteria text quoted verbatim from 38 C.F.R. § 4.56 (Evaluation of muscle disabilities). Source verified 2026-06-04 by ClaimRecon Editorial Team against the Cornell Law CFR mirror; eCFR.gov is the authoritative government source.