Additional file 4: of Pectoral myology of limb-reduced worm lizards (Squamata, Amphisbaenia) suggests decoupling of the musculoskeletal system during the evolution of body elongation

Figure S4. Pectoral muscles of Meroles cureirostris, A: muscles of the upper forelimb of Meroles cureirostris, B: superficial pectoral muscles of Meroles cureirostris, C: distal subjacent pectoral muscles of Meroles cureirostris, D: superficial and subjacent pectoral muscles of Meroles cureirostris, E: medial subjacent pectoral muscles of Meroles cureirostris. Array shows anterior direction, abbreviations: dc: deltopectoral crest of humerus, hu: humerus, m b: M. brachialis, m bb: M. biceps brachii, m cbb: M. coraco-brachialis brevis, m cbl: M. coraco-brachialis longus, m dc: M. deltoideus clavicularis, m ds: M. deltoideus scapularis, m e: M. episternocleidomastoideus, m etc: M. episternocleidomastoideus and M. trapezius-complex, m ld: M. latissimus dorsi, m ls: M. levator scapulae, m o: M. omohyoideus, m p: M. pectoralis, m sas: M. serratus anterior superficialis, m sha: M. scapulo-humeralis anterior, m shp: M. scapulo-humeralis posterior, m sternc: M. sternocoracoideus, m sternh: M. sternohyoideus, m subcs: M. subcoraco-scapularis, m supc: M. supracoracoideus, m t: M. triceps, m tp: M. trapezius. (TIF 1862 kb)