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79 Cards in this Set
- Front
- Back
What are the forearm bones?
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Radius and Ulna
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What is the forearm flexors origin?
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medial humeral epicondyle
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What is the forearm extensors origin?
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lateral humeral epicondyle?
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Where does biceps brachii insert?
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tuberosity of the radius and aponeurosis of the biceps brachii
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What is the carpals origin?
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styloid process
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where does the brachialis insert?
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tuberosity and coronoid process of the ulna
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What is the cubital fossa?
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triangular space, anterior surface of the elbow
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what is the contents of the cubital fossa?
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biceps brachii insertion tendon, brachial artery and its terminal branches (ulnar and radial arteries), parts of the medial and radial nerves.
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actions of biceps brachii?
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flex the elbow @ humeroulnar joint, supinate the forearm @ radioulnar joints and flex the shoulder @ glenohumeral joint
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origin of biceps brachii?
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short head - coracoid process of scapula, long head - supraglenoid tubercule of the scapula
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origin for brachialis?
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distal half of anterior surface of humerus
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action of brachialis?
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flex the elbow @ humeroulnar joint
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What is the most forceful flexor?
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brachialis
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origin of brachioradialis?
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lateral supracondylar ridge of humerus
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insertion of brachioradialis?
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styloid process of the radius
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action of brachioradialis?
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flex the elbow @ humeroulnar joint, assist to pronate and supinate the forearm when these movements are resisted
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what is the antagonist to biceps?
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triceps brachii
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origin of triceps?
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long head - infraglenoid tubercule of the scapula, lateral head - posterior surface of proximal half of the humerus, medial head - posterior surface of distal half of humerus
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insertion of triceps?
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olecranon process of the ulna
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muscles that rotate radius on the ulna?
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pronator teres and pronator quadratus
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muscles that flex the hand?
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flexor carpi radialis, flexor carpi ulnaris, and palmaris longus
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muscles that flex the digits?
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flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicus longus
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insertion for flexor digitorum superficialis?
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middle phalanx
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insertion for flexor digitorum profundus?
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distal phalanx
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insertion for flexor pollicis longus?
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on thumb
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What is the nerve supply to flexor forearm?
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median and ulnar nerve
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muscle that rotates radius on the ulna?
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supinator
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origin of pronator teres?
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medial epicondyle of the humerus, common flexor tendon and coronoid process of the ulna
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insertion of pronator teres?
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middle lateral surface of the radius
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origin of pronator quadratus?
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medial, anterior surface of distal ulna
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insertion of pronator quadratus?
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lateral, anterior surface of distal radius
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muscles that extend the hand at the wrist?
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extensor carpi radialis longus, extensor carpi radialis brevis, and extensor carpi ulnaris
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muscles that exten the fingers?
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extensor digitorum, extensor digiti minimi, and extensor indicis
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muscles that move the thumb?
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abductor pollicus longus, extensor pollicis brevis, and extensor pollicus longus
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antebrachial fascia?
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extensor and flexor retinaculum
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which must go thru carpal tunnel?
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flexor retinaculum
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form a bowl (tunnel)?
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carpal bones
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which phalanges are proximal?
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1-4
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which phalanges is distal?
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5
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which phalanges is middle?
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2-5
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define humeroulnar joint?
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(the elbow) hinged joint
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actions of the humeroulnar joint?
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flexion, extension, and valgus carrying angle
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action of the humeroradial joint?
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rotation
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what is a carrying angle?
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normal vagus, from the elbow distal end of radius and ulna deviates laterally at humerus
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what is valgus?
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distal extremity deviates laterally
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what is varus?
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distal extremity deviates medially
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which ligament cross @ ulna btwn humerus and ulna?
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medial ulnar collateral ligament
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which ligament cross @ radius?
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lateral radial collateral ligament
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action of proximal radioulnar joint?
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rotation of the radius
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annular ligament at proximal radioulnar joint does what?
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from ulna to ulna, wraps around head of the radius stablizing at proximal ulnar joint
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interosseus membrane?
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(btwn bone) btwn radius and ulna help to stablize movement
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radiocarpal joint is?
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larger joint, limit excessive movement
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what is carpal joints?
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2 rows intercarpals, and flexion and extension of wrist
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what is carpal tunnel?
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soft tissue spaces
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ligaments associated with the wrist?
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flexor retinaculum
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flexor retinaculum?
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goes in random direction
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what is the job of the flexor retinaculum?
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hold tendons in place while muscles contract
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carpometacarpal joints (thumb)?
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special joint (saddle joint) allows flexion, extension, abduction, rotation; less stable and more prone to injury
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movement at elbow ( humeroulnar joint)?
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flexion sagittal at 160 degrees, extension sagittal -0 degrees,
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movement at forearm (proximal & distal radioulnar joints)
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pronation 80 degress and supination 90 degrees
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movement at wrist?
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flexion 45-60 degrees, extension, ulnar deviation (adduction) 30-40 degrees, and extension, and radial deviation (abduction) 10-15 degrees
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movement at hand (carpometacarpal joints - digits 2-4)?
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gliding
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movement at hand (carpometacarpal joint - thumb)?
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flexion, extension, abduction, adduction, medial rotation, and lateral rotation
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movement at hand (carpometacarpal joint - digit 5)?
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flexion, extension, abduction, adduction, medial rotation, and lateral rotation
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movement at hand (metacarpophalangeal joints)?
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flexion, extension, abduction, and adduction
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movement at hand (interphalangeal joints)?
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flexion and extension
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what 2 structures are separated by this bursa?
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olecranon process and fascia
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What type of force might cause inflammation of the olecranon bursa?
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blont force trauma and chronic compression
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why should massage applications not be applied directly to the bursa?
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problem originated with compression
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what muscle group is affected with LE?
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wrist extensors
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what muscle group is affected with ME?
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wrist flexors
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which type of repetitive muscle contractions often lead to epicondylitis?
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pronation and supanation
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what structures form the carpal tunnel?
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carpals and flexor retinaculum
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swelling of the flexor tendons within the tunnel will cause compression of this nerve.
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median nerve
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(carpal tunnel) pain will mostly be localized to this location?
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wrist, hand, and middle 3 fingers
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What is tenosynovitis?
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an inflammatory irritation between a tendon and its synovial sheath
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DeQuervain's tenosynovitis affects the tendons of these 2 muscles
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extensor pollicus brevis and abductor pollicus longus
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(DeQuervain's Tenosynovitis) what additional step should be taken when treating this condition with DTF?
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active engagement midway thru ROM
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muscle in this region capable of generating a large force?
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elbow flexors
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