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Arm Muscle Vocab

Vocabulary used in studying musces of the hand wrist and phalanges.

Intrinsic Within the organ of which it acts
Insertion Attachment of the muscle to the bone in which it moves; ending point
Thenar Fleshy area at the base of the thumb
Eminence A projection on a bone, especially for a muscle
Hypothenar Below the thumb
Anterior On the front of the body
Posterior On the back of the body
Humerus A long bone of the upper arm
Carpals Tiny bones in the wrist; 8 in each
Metacarpals Bones connecting the carpals and phalanges; 5 in each hand
Phalanges The bones that form the fingers and toes
Flexor A muscle that bends, flexes and contracts (shortens) angle is decreasing
Extensor A muscle that extends and straightens (lengthens) angle is increasing
Carpi The wrist
Radialis Radius
Superficial Relating with the surface
Medial Middle; toward the midline
Epicondyle A place of attachment for a muscle on a bone end
Abduct Moving a body part away from the midline of the body
Adduct Moving a body part toward the midline of the body
Palmaris The palm of the hand
Longus Long
Midpalmar Middle of the palm
Proximal Closer to the midline of the body
Distal Further from the midline of the body
Flexion The act of the angle of a bone decreasing
Extension The act of the angle of a bone increasing
Origin Point of attachment that does not move; starting point
Pisiform Resembling pea size
Hamate Hooked at the tip
Flexor Retinaculum A ligament; four within the body
Digitorum Digit
Superficialis Close to the surface
Deep Away from the surface
Profundus Deep
Pollicis Of the thumb
Lateral Away from the midline of the body
Brevis Breif or short
Digiti Digit
Minimi Miniature or little
Ulnaris Relating to or near the ulna
Created by: Sierralake17



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