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  2. Thenar eminence - Wikipedia

    en.wikipedia.org/wiki/Thenar_eminence

    The thenar eminence is the mound formed at the base of the thumb on the palm of the hand by the intrinsic group of muscles of the thumb. [1] The skin overlying this region is the area stimulated when trying to elicit a palmomental reflex. The word thenar comes from Ancient Greek θέναρ (thenar) 'palm of the hand'. [2]

  3. Muscles of the hand - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_the_hand

    The intrinsic muscle groups are the thenar and hypothenar (little finger) muscles; the interossei muscles (four dorsally and three volarly) originating between the metacarpal bones; and the lumbrical muscles arising from the deep flexor (and which are special because they have no bony origin) to insert on the dorsal extensor hood mechanism.

  4. Adductor pollicis muscle - Wikipedia

    en.wikipedia.org/wiki/Adductor_pollicis_muscle

    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. It is a fleshy, flat, triangular, and fan-shaped muscle deep in the thenar compartment beneath the long flexor tendons and the lumbrical muscles at the center of the palm.

  5. Muscles of the thumb - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_the_thumb

    The intrinsic muscles of the thumb can be divided into two groups; the thenar eminence and other muscles. The thenar eminence refers to the group of muscles on the palm at the base of the thumb. The three muscles composing the thenar eminence are the abductor pollicis brevis, flexor pollicis brevis and opponens pollicis. [5]

  6. Abductor pollicis brevis muscle - Wikipedia

    en.wikipedia.org/wiki/Abductor_pollicis_brevis...

    The abductor pollicis brevis is a flat, thin muscle located just under the skin. It is a thenar muscle, and therefore contributes to the bulk of the palm's thenar eminence. It originates from the flexor retinaculum of the hand, the tubercle of the scaphoid bone, and additionally sometimes from the tubercle of the trapezium.

  7. Median nerve - Wikipedia

    en.wikipedia.org/wiki/Median_nerve

    In the hand, the median nerve supplies motor innervation to the first and second lumbrical muscles. It also supplies the muscles of the thenar eminence by a recurrent thenar branch. [8] The rest of the intrinsic muscles of the hand are supplied by the ulnar nerve.

  8. Flexor pollicis brevis muscle - Wikipedia

    en.wikipedia.org/wiki/Flexor_pollicis_brevis_muscle

    The flexor pollicis brevis is a muscle in the hand that flexes the thumb. It is one of three thenar muscles. [1] [2] It has both a superficial part and a deep part.

  9. Hypothenar eminence - Wikipedia

    en.wikipedia.org/wiki/Hypothenar_eminence

    The muscles of hypothenar eminence are from medial to lateral: Opponens digiti minimi; Flexor digiti minimi brevis; Abductor digiti minimi; The intrinsic muscles of hand can be remembered using the mnemonic, "A OF A OF A" for, Abductor pollicis brevis, Opponens pollicis, Flexor pollicis brevis (the three thenar muscles), Adductor pollicis, and the three hypothenar muscles, Opponens digiti ...