Palmar interossei muscles
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In human anatomy, the palmar or volar interossei are four muscles, one on the thumb that is occasionally missing, and three small, unipennate, central muscles in the hand that lie between the metacarp
Muscles of hand. Cross section.
Adductor pollicis muscle
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In human anatomy, the adductor pollicis muscle is a muscle in the hand that functions to adduct the thumb. It has two heads: transverse and oblique.
Palmar interossei muscles
…same digit. The first palmar interosseous is located at the thumb's medial side. Passing between the first dorsal interosseous and the oblique head of adductor pollicis, it is inserted on the base of the thumb's proximal phalanx together with adductor pollicis. The "pollical" palmar interosseous muscle (PPIM), is present…
Adductor pollicis muscle
Negative (above) and positive Froment's sign
Adductor pollicis muscle
Adductor pollicis muscle