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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 |