3895363
Description
Flashcards by irina.stojanovic, updated more than 1 year ago
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Created by irina.stojanovic
over 8 years ago
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| Question | Answer |
| What carpal bone is located just distal to LI5 and LU9? | Scaphoid |
| What carpal bone has a hook in the palm? | Hamate |
| Which carpal bone does pisiform "sit" on? | Triquetrium |
| Do flexors originate on lateral or medial epicondyle? | Medial |
| Do extensors originate on lateral or medial epicondyle? | Lateral |
| Which wrist retinaculum forms the "ceiling" of the carpal tunnel? | Flexor Retinaculum |
| Which extensor muscle goes to the distal phalange of the thumb? | Extensor Pollicis Longus |
| What kind of joint is the CMC joint of the thumb? | Saddle |
| Which action can "hinge" joints on the hand do? | Flexion and Extension |
| How many phalanges total are there in the hand? | 14 |
| What are movements of the wrist? | The movements of the wrist joint are: -flexion and extension -radial and ulnar deviation (ABduction and ADduction) Circumduction (circular motion) results as the combination of the two above. |
| What are the movements of the thumb? | Begin with the dorsum on the table... Flexion and extension (in the same plane - toward, away from the small finger) ABduction: thumb lifts toward ceiling ADDuction:thumb returns to the table Opposition: thumb and pinkie touch Reposition: thumb returns to original position |
| Is the supinator muscle closer to the wrist or to the elbow? | Elbow (originates at the lateral epicondyle of humerus, radial ligament, annular ligament and supinator crest of ulna) |
| Does anconeus muscle insert on the radius or ulna? | Ulna (olecranon process and posterior, proximal surface of ulna) |
| Is the anconeus muscle closer to the olecranon or the radio-carpal joint? | Olecranon |
| Does the supinator muscle insert on the radius or ulna? | Radius (anterior, lateral surface of proximal one third of radial shaft) |
| Does the extensor carpi radialis longus move the wrist or fingers? | Wrist (inserts at the base of the second metacarpal) |
| Do extensor pollicis longus and brevis move the fingers, wrist or thumb? | Wrist and the thumb |
| Which muscle extends fingers 2 to 5? | Extensor digitorum communis |
| Which finger is considered the "middle" of the hand? | Middle finger is considered as a midline of the hand. |
| Which muscle tendons are on either side of the "anatomical snuffbox"? | Extensor pollicis longus and brevis. |
| Where is abductor pollicis longus in relation to LU9? | LU9 is medial to the tendon of abductor pollicis longus (on the radial side of the tendon). |
| What happens to the fingers when they are abducted? | Abduction: fingers move away from the middle finger. Adduction: fingers move toward the middle finger. Middle finger can do the ulnar and radial deviation. |
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