Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Anat1 - Upper Limb
(Week 5,7)
| Question | Answer |
|---|---|
| The upper lib consists of the arm (_______), forearm (_______), and hand (_______). | brachium, antebrachium, manus |
| ___ bones form the skeletal framework of each upper limb. | 30 |
| The _______ is the sole bone of the arm. | humerus |
| The humerus articulates with the _______ at the shoulder and the _______ and _______ at the elbow. | scapula, radius, ulna |
| The radius and ulna articulate proximally with the _______ and distally with the _______ bones. They also articulate with ____ ____ proximally and distally. | humerus, wrist, each other |
| The _______ _______ connects the radius and ulna along their entire length. | interosseous membrane |
| The radius lies ______ to the ulna. | lateral |
| The ulna lies _______ in the forearm and is slightly longer than the _______. | medially, radius |
| The anatomical snuff box is made up of: | extensor pollicis longus (EPL) abductor pollicis longus (AbPL) extensor pollicis brevis (EPB) |
| The 8 wrist bones are: | Trapezium, Trapezoid, Capitate, Hamate, Scaphoid, Lunate, Triquetral, Pisiform |
| There are ___ metacarpal bones. | 5 |
| The heads of the metacarpal bones articulate with the _______. | phalanges |
| The bases of the metacarpal bones articulate with the _______ proximally, and with _____ _____ medially & laterally. | carpals, each other |
| Each hand contains ___ phalanges. | 14 |
| The fingers are numbered 1-5, beginning with the _______. | thumb (pollex) |
| Each finger (except the thumb) has 3 phalanges - _______, _______, and _______. | distal, middle, proximal |
| The thumb has no _______ phalanx. | middle |
| Brachialis O.I.A. | O: Anterior distal humerus I: Coranoid process of ulna A: major forearm flexor |
| Brachioradialis O.I.A. | O: distal lateral humerus I: styloid process of radius A: synergist of elbow flexion |
| The _______ _______ is the prime mover of forearm extension. | triceps brachii |
| The _______ and _______ _______ are the chief forearm flexors. | brachialis, biceps brachii |
| Anconeus O.I.A. | O: lateral epicondyle of humerus I: olecranon process of ulna A: Controls ulnar abductionduring forearm pronation; synergist of triceps brachii in elbow extension |
| The anterior muscles of the forearm are primarily _______ of the wrist and fingers (except pronator quadratus). | flexors |
| The anterior muscles of the forearm originate on the _______ _______ of humerus. | medial epicondyle |
| Pronator Teres O.I.A. | O: common tendon medial epicondyle of humerus & coronoid process of ulna I: lat mid radius A: pronation @ elbow, weak elbow flexor |
| Flexor Carpi Radialis O.I.A. | O: common tendon medial epicondyle of humerus I: base 2nd & 3rd metacarpals A: wrist flexion, weak elbow flexion |
| Palmaris longus O.I.A. | O: common tendon medial epicondyle of humerus I: palmar apponeurosis (fascia of palm) A: flexion of wrist, weak flexion of elbow |
| Flexor Carpi Ulnaris O.I.A. | O: common tendon medial epicondyle of humerus I: pisiform, hamate, base of 5th metacarpal A: flexion of wrist, weak flexion of elbow |
| Flexor Digitorum Superficialis O.I.A. | O: common tendon medial epicondyle of humerus I: {middle phalanges of} fingers 2-5 A: flexion of wrist & fingers 2-5 |
| Flexor Pollicus Longus O.I.A. | O: ant surface of mid radius, ant ulna {interosseous membrane} I: distal phalanx of thumb A: flexes distal phalanx of thumb (texting) |
| Flexor Digitorum Profundus O.I.A. | O: coronoid process of ulna, ant medial ulna {interosseous membrane} I: distal phalanges 2-5 A: flex {terminal} phalanges 2-5 |
| Pronator Quadratus O.I.A. | O: distal portion anterior ulnar shaft I: distal anterior radius A: PM of forearm pronation, synergist pronator teres |
| The muscles of the posterior forearm are primarily _______ of the wrist and fingers. | extensors |
| The posterior muscles of the forearm originate on the _______ _______ of humerus. | lateral epicondyle |
| Extensor Carpi Radialis Longus O.I.A. | O: lateral supracondylar ridge of humerus I: base 2nd metacarpal A: extension of wrist |
| Extensor Carpi Radialis Brevis O.I.A. | O: common extensor tendon lateral epicondyle I: base 3rd metacarpal A: extension and abduction of wrist |
| Extensor Digitorum O.I.A. | O: common extensor tendon lateral epicondyle I: {distal} phalanges 2-5 A: PM extension of fingers, extension of wrist |
| Extensor Carpi Ulnaris O.I.A. | O: common extensor tendon lateral epicondyle {posterior border ulna} I: base of 5th metacarpal A: extension of wrist w/ ECR, Adduction w/ FCU |
| Supinator O.I.A. | O: lateral epicondyle of humerus & proximal ulna I: proximal radius A: supination, assists biceps brachii |
| Abductor Pollicis Longus O.I.A. | O: posterior surface mid radius and ulna {& interosseous membrane} I: base of 1st metacarpal {& trapezius} A: Abducts & extends thumb & Abducts wrist |
| Extensor Pollicis Longus & Brevis O.I.A. | O: dorsal mid radius (brevis), ulna (longus) & interosseous membrane I: base of phalanx of thumb {proximal=brevis, distal=longus} A: extends thumb (lets something go from hand) |
| Extensor Indicis O.I.A. | O: posterior distal ulna & interosseous membrane I: proximal phalanx index finger A: extension of index finger |
Created by:
sdouglass
Popular Anatomy sets