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The muscles of the thumb are nine skeletal muscles located in the hand and forearm. The muscles allow for flexion, extension, adduction, abduction and opposition of the thumb. The muscles acting on the thumb can be divided into two groups: The extrinsic hand muscles, with their muscle bellies located in the forearm, and the intrinsic hand ...
Daniel, Jennifer (July 2019), Right Hand Gesturing Right and Right Hand Gesturing Left (+ related ZWJ sequence to create Multi-Skintoned Handshake Emoji) for Unicode 14.0: L2/19-370R: Daniel, Jennifer (2020-01-03), Recommendations for Emoji ZWJ Sequences for multi-skintoned handshake for Unicode 14.0: L2/20-015R
The muscles of the hand can be subdivided into two groups: the extrinsic and intrinsic muscle groups. The extrinsic muscle groups are the long flexors and extensors. They are called extrinsic because the muscle belly is located on the forearm. The intrinsic group are the smaller muscles located within the hand itself. The muscles of the hand ...
An emoji (/ ɪ ˈ m oʊ dʒ iː / ih-MOH-jee; plural emoji or emojis; [1] Japanese: 絵文字, Japanese pronunciation:) is a pictogram, logogram, ideogram, or smiley embedded in text and used in electronic messages and web pages.
Left-handers who were forced during childhood to use their right hand showed a larger surface area of the central sulcus in their left hemisphere, which is associated with right-handedness. Also, structures in the basal ganglia such as the putamen also mirrored developmental right-hand dominant individuals in the forced group.
In human anatomy, the dorsal interossei (DI) are four muscles in the back of the hand that act to abduct (spread) the index, middle, and ring fingers away from the hand's midline (ray of middle finger) and assist in flexion at the metacarpophalangeal joints and extension at the interphalangeal joints of the index, middle and ring fingers.
It is considered an extrinsic hand muscle because it acts on the hand while its muscle belly is located in the forearm. Together the flexor pollicis longus, pronator quadratus, and flexor digitorum profundus form the deep layer of ventral forearm muscles. [2] The muscle is named from Latin 'deep bender of the fingers'.
Upper Limb, Arm, Anterior compartment, right/left anterior surface of humerus (mainly distal half) coronoid process of ulna, tuberosity of ulna: radial recurrent artery: musculocutaneous nerve: flexes elbow: triceps brachii: 2 1 triceps brachii: Upper Limb, Arm, Posterior compartment, right/left long head: infraglenoid tubercle of scapula