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forearm and hand

trail guide forearm and hand chapter

QuestionAnswer
the palpable edge of which bone runs the length of the forearm? ulna
2. which two movements occur when the radius pivots back and forth around the ulna? pronation, supination
3. the elbow is composed of two joints, the ____ and ____ humeroulnar, humeroradial
4. the eight carpals are located just distal to which topographical landmark? flexor crease
5. the olecranon process serves as an attachment site for which muscle? triceps brachii
6. which bony landmark serves as an attachment site for the tendons of the wrist and finger extensors? lateral epicondyle
7. which superficial, bony knob is visible along the posterior, medial side of the wrist? head of the ulna
8. the head of the radius is stabilized by which ligament annular
9. which bony landmark of the radius serves as the attachment site for brachioradialis? styloid process
10. lister's tubercle is directly across- prehaps an inch away- from which bony landmark? head of the ulna
11. the styloid processes of the radius and ulna serve as important jumping-off points for locating which group of bones? carpals
1. what are the four surface sides of the carpals that can be palpated? palmar, dorsal, radial, ulnar
2. the carpals are located distal to which topographical feature of the palmar side? flexor crease of the wrist
3. which carpal can be felt on the ulnar/ palmar side of the hand, just distal to the flexor crease? pisiform
4. the pisiform acts as an attachment site for which muscle? flexor carpi ulnaris
5. which carpal can best be palpated by asking your partner to abduct and adduct her wrist as you palpate just distal to the styloid process of the ulna? triquetrum
6. a hook-shaped protuberance is the distinct landmark used to isolate which carpal? hamate
7. which brand of connective tissue forms the "roof" of the carpal tunnel? flexor retinaculum
8. which two structures pass through the tunnel of guyon? ulnar artery, ulnar nerve
9. which four carpals serve as attachment sites for the flexor retinaculum? pisiform (hook of the) hamate, scaphoid (tubercle), trapezium (tubercle)
10. which carpal forms the floor of the "anatomical snuffbox"? scaphoid
11. which bone articulates with the first metacarpal and is the source of the thumb's unique movements? trapezium
12. which carpal can be located just distal to the styloid process of the radius and felt upon adduction of the wrist? scaphoid
13. which two carpals are located between lister's tubercle and the base of the third metacarpal and are best palpated from the dorsal surface? lunate, capitate
14. anatomically speaking the proper name for a "knuckle" joint is the? metacarpophalangeal
1. which muscle is a strong elbow flexor located deep to the biceps brachii? brachialis
2. the brachioradialis creates a helpful dividing line between which two muscle groups? flexors, extensors
3. which muscles runs the length of the forearm but does not cross the wrist joint? brachioradialis
4. the pronator quadratus is deep to the ____ tendons and is accessible only on the quadratus's ___ portion flexor, lateral
5. the ____ muscle is an antagonist to both the biceps brachii and supinator pronator teres
6. palpating medial to the distal tendon of which muscle can help you locate the pronator teres? biceps brachii
7. to access the supinator, you must palpate deep to which muscle group? extensors
8. passive pronation of the forearm would ___ the supinator lengthen
9. passive flexion of the elbow would ___ the brachioradialis shorten
10. passive extensions of the elbow would __ the brachialis lengthen
11. passive pronation of the forearm would ____ the pronator teres shorten
brachialis origin is? distal half of anterior surface of humerus
brachialis insertion is? tuberosity and coronoid process of ulna
brachioradialis origin is? proximal two-thirds of the lateral supracondylar ridge of humerus
brachioradialis insertion is? styloid process of radius
pronator quadratus origin is? medial, anterior surface of distal ulna
pronator quadratus insertion is? lateral, anterior surface of distal radius
pronator teres origin is? common flexor tendon from medical epicondyle of humerus and coronoid process of the ulna
pronator teres insertion is? middle of lateral surface of the radius
supinator origin is? lateral epicondyle of humerus, radial collateral ligament, annular ligament, and supinator crest of the ulna
supinator insertion is? anterior, lateral surface of proximal one-third of radial shaft
1. with the forearm in anatomical position, the _____ group is located on the posterior/ lateral side of the forearm, while the ___ group is located on the anterior/ medial side. extensor, flexor
2. the brachioradialis and the _____ clearly divide the forearm flexors from the extensors. shaft of the ulna
3. looking at its name, what information can you gather about this muscle-flexor carpi radialis? its a flexor, extensor carpi radialis, extends the carpals (crosses the wrist joints), muscle that flexes the digits, radial side of forearm, must be a flexor carpi ulnaris
4. which extensor muscle can be palpated alongside the shaft of the ulna? extensor carpi ulnaris
5. the extensor digitorum creates movement at which fingers? second through 5th
6. when palpating the forearm, the muscle bellies of the ____ group will feel smaller and more sinewy than the ____ group. extensor, flexor
7. which forearm muscles compose the "wad of three"? brachioradialis, extensor carpi radialis longus and brevis
8. which action can you ask your partner to perform at the wrist to distinguish the brachioradialis from the extensor carpi radialis abduct
9. what are three superficial muscles in the flexor group? flexor carpi radialis, palmaris longus, and flexor carpi ulnaris
10. flexor digitorum superficialis and flexor digitorum profundus each have ___ thin tendons which pass though which anatomical structure? _____ four, carpal tunnel
11. pinching the fingers together highlights the tendon of which muscle at the wrist? palmaris longus
12. what muscle runs between the pisiform and the medial epicondyle? flexor carpi ulnaris
13. although the flexor digitorum superficialis and profundus are deep to the other forearm flexors, they can be accessed along the medial side of which bony landmark? ulnar shaft
extensor carpi radialis brevis origin? common extensor tendon from the lateral epicondyle of humerus (3)
extensor carpi radialis brevis insertion? base of third metacarpal
extensor carpi radialis longus origin? distal one-third of the lateral supracondylar ridge of humerus
extensor carpi radialis longus insertion? base of second and third metacarpals
extensor carpi ulnaris origin is? common extensor tendon from the lateral epicondyle of humerus (3)
extensor carpi ulnaris insertion is? base of fifth metacarpal
extensor digitorum origin is? common extensor tendon from the lateral epicondyle of humerus (3)
extensor digitorum insertion is? bases of middle and distal phalanges of second through fifth fingers
flexor carpi radialis origin is? common flexor tendon from medial epicondyle of humerus (2)
flexor carpi radialis insertion is? base of second and third metacarpals
flexor carpi ulnaris origin is? common flexor tendon from medial epicondyle of humerus and posterior surface of proximal two-thirds of ulna
flexor carpi ulnaris insertion is? pisiform, hook of the hamate, and base of fifth metacarpal
flexor digitorum profundus origin? anterior and medial surfaces of proximal three-quarters of ulna
flexor digitorum profundus insertion is? bases of distal phalanges, palmar surface of second through fifth fingers
flexor digitorum superficialis origin? common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament, coronoid process of ulna, interosseous membrane, and proximal two-thirds of ulna
flexor digitorum superficialis insertion is? sides of middle phalanges of second through fifth fingers
palmaris longus origin is? common flexor tendon from medial epicondyle of humerus (2)
palmaris longus insertion is? flexor retinaculum and palmar aponeurosis
16. passive abduction of the wrist would ___ the extensor carpi radialis longus? shorten
17. passive flexion of fingers 2-5 would __ the extensor digitorum lengthen
18. passive flexion of the wrist would ___ the palmaris longus shorten
19. passive adduction of the wrist would ___ the flexor carpi radialis lengthen
20. passive extension of fingers 2-5 would ___ the flexor digitorum profundus lengthen
1. the ___ eminence is located at the thumb's base, while the ___ eminence is located along the ulnar side of the palm thenar, hypothenar
2. how many muscles act upon the thumb? how many of these are located at the thenar eminence eight, four
3. which muscle is responsible for creating opposition of the thumb? opponens pollicis
4. the distal tendons of which three muscles form the "anatomical snuffbox"? abductor pollicis, extensor pollicis longus and brevis
5. the palmar interossei are difficult to access because they are deep to the ____ muscles and situated between the ___ bones. lumbrical, metacarpal
6. the lumbricals sprout from the sides of the tendons of which muscle? flexor digitorum profundus
7. which muscle is located between the pisiform and the base of the fifth finger? abductor digiti minimi
abductor pollicis longus origin? posterior surface of radius and ulna, and interosseous membrane
abductor pollicis longus insertion? base of first metacarpal
adductor pollicis origin? capitate second and third metacarpals
adductor pollicis insertion? base of proximal phalanx of thumb
extensor pollicis longus origin? posterior surface of ulna and interosseous
extensor pollicis longus insertion? base of distal phalanx of thumb (2)
flexor pollicis longus origin? anterior surface of radius and interosseous
flexor pollicis longus insertion? base of distal phalanx of thumb (2)
opponens pollicis origin? flexor retinaculum and tubercle of the trapezium
opponens pollicis insertion? entire length of first metacarpal bone, radial surface
1. which two structures reinforce the elbow joint by spanning from their respective epicondyles to the bones of the forearm? radial and ulnar collateral ligaments
2. during pronation and supination, which ligament stabilizes the proximal end of the radius against the ulna annular ligament
3. between which two bony landmarks is the ulnar nerve particularly accessible and superficial medial epicondyle and olecranon process
4. which structure pads the space between the olecranon process and the skin of elbow? olecranon bursa
5. the carpal tunnel is a passageway for many ___ and the ___ nerve flexor tendons, median
6. the transverse fibers of the ___ and carpal bones from the carpal tunnel? flexor retinaculum
7. which span of connective tissue is a continuation of the antebrachial fascia into the palm of the hand? palmar aponeurosis
8. which artery is often used for taking a pulse at the wrist?? radial
the ___ is the bone of the arm, its proximal end articulates with the scapula to form the glenohumeral joint. humerus
the ___ and the ___ make up the bones of the forearm. radius and ulna
the __ which is on the pinky side ulna
the ___ is on the thumb side and is buried in muscle radius
the three bones groups of the wrist and hand are ___, ___, ____ carpals, metcarpals, phalanges
the ___ are eight pebble sized bones that form two rows (proximal and distal) each containing four carpal bones. carpal
the ___ are five long bones spanning in the palm of the hand, metacarpals
the ___ are the bones of the fingers phalanges
the ____ or elbow is located on the proximal end of the ulna and articulates with the distal humerus olecranon process
the __ is the most frequently dislocated carpal. lunate
the ___ is the largest of the carpals and is located distal to the lunate. capitate
the ___ nerve passes between the medial epicondyle and olecranon process as it extends down the forearm. ulnar
the ___ thin but strong fibrous sheet binds together the forearm bones and serves as an attachment site for several muslces. interosseous membrane
the ____ is located on the palmar surface of the wrist just distal to the flexor crease. flexor retinaculumn
the thicl ___ is a continuation of the antebrachial fascia that stretches superficially across the hand is an attachment site for the palmaris longus tendon palmar aponeurosis
Created by: xokitty17xo
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