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📌𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:- / drgbhanuprakash 📌𝗝𝗼𝗶𝗻 𝗢𝘂𝗿 𝗧𝗲𝗹𝗲𝗴𝗿𝗮𝗺 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 𝗛𝗲𝗿𝗲:- https://t.me/bhanuprakashdr 📌𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗧𝗼 𝗠𝘆 𝗠𝗮𝗶𝗹𝗶𝗻𝗴 𝗟𝗶𝘀𝘁:- https://linktr.ee/DrGBhanuprakash Hypothenar Eminence: ------------------------------------ muscles of hypothenar eminence are abductor, flexor, opponens digiti minimi, & palmaris brevis; muscles of hypothenar eminence are innervated by ulnar nerve; Thenar Eminence: ----------------------------- muscles of thenar eminence are APB, flexor pollicis brevis, & opponens pollicis; muscles of thenar eminence, w/ exception of deep head of FPB, which is innervated by ulnar nerve, are supplied by median; all thenar & hypothenar muscles, except abductor minimi, originate partly from transverse carpal ligament; their insertions are primarily on base of proximal phalanx of thumb & little finger, except for both opponens muscles, which insert on their respective metacarpals. Interossei: anatomy: 7 in number, 4 are dorsal & 3 volar. their origin is from the metacarpal shafts. dorsal interossei: 1st & 4th dorsal interossei insert on radial aspect of index & ulnar side of ring fingers; 2nd & 3rd insert on radial & ulnar sides of long finger respectively; occassionally, short masses of muscle originate from carpal bones or from base of metacarpals on dorsum of hand & appear as enlargements similar to cysts or other bone or soft tissue lesions; these accessory muscle masses are similar to muscle belly of extensor digitorum brevis on the dorsum of the foot; recognition of these muscle abnormalities is important in diff dx; dorsal Interossie abduct index & ring fingers & adduct long finger to either side of a line drawn through its longitudinal axis; palmar interossei: 1st volar interosseous inserts on ulnar side of index digit, and 2nd & 3rd insert on radial aspect of ring and little fingers; volar interossei are thus positioned to adduct these digits toward the long finger; site of insertion of these muscles accounts for development of ulnar deviation of little finger if motor branch of ulnar nerve is injured; interossei, along w/ 4 lumbricals, also flex MP & extend IP joints; radial interossei tend to insert into bone w/ lesser insertions into extensor hood; volar interossei & lumbricals usually insert into lateral band expansion; lumbricales arise from tendonns of FDP in mid-palmar area & insert into radial aspect of dorsal hood. innervation: all interossei & 3rd & 4th lumbricale s are innervated by ulnar nerve; first and second lumbricales are supplied by median; #intrinsicmusclesofthehand #handmuscles #musclesofhand #musclesofthehand #upperlimbanatomy #upperlimbmuscles #anatomy #neetpganatomy #mbbsanatomy #usmleanatomy