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Arm Muscle Vocab
Vocabulary used in studying musces of the hand wrist and phalanges.
Question | Answer |
---|---|
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 |