Welcome to StudyStack, where users create FlashCards and share them with others. Click on the large flashcard to flip it over. Then click the green, red, or yellow box to move the current card to that box. Below the flashcards are blue buttons for other activities that you can try to study the same information.
Test Android StudyStack App
Please help StudyStack get a grant! Vote here.
or...
Reset Password Free Sign Up

Free flashcards for serious fun studying. Create your own or use sets shared by other students and teachers.


incorrect cards (0)
correct cards (0)
remaining cards (0)
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the Correct box, the DOWN ARROW key to move the card to the Incorrect box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

Correct box contains:
Time elapsed:
Retries:
restart all cards


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

UE Muscles, etc.

Innervations, origins, insertions, spinal nerves

QuestionAnswer
Deltoid (Clavicular part) proximal attachment lateral one third of clavicle
Deltoid (Acromial part) proximal attachment acromion
Deltoid (Spinal part) proximal attachment Scapular spine
Deltoid distal attachment humerus- deltoid tuberosity
Deltoid innervation axillary n. (C5, C6)
Deltoid (Clavicular part) action flexion, internal rotation, adduction
Deltoid (Acromion part) action abduction
Deltoid (Scapular spine) action extension, external rotation, adduction
Supraspinatus proximal attachment scapula- supraspinous fossa
Infraspinatus proximal attachment scapula- infraspinous fossa
Teres minor proximal attachment scapula- lateral border
Subscapularis proximal attachment scapula- subscapular fossa
Supraspinatus distal attachment humerus- greater tuberosity
Infraspinatus distal attachment humerus- greater tuberosity
Teres minor distal attachment humerus- greater tuberosity
Subscapularis distal attachment humerus- lesser tuberosity
Supraspinatus innervation suprascapular n. (C4-C6)
Infraspinatus innervation suprascapular n. (C4-C6)
Teres minor innervation axillary n. (C5, C6)
Subscapularis innervation Subscapular n. (C5, C6)
Supraspinatus action abduction
Infraspinatus action external rotation
Teres minor action external rotation, weak adduction
Subscapularis action internal rotation
Pectoralis major (clavicular part) proximal attachment clavicle- medial half
Pectoralis major (sternocostal part) proximal attachment sternum and costal cartilages 1-6
Pectoralis major (abdominal part) proximal attachment rectus sheath- anterior layer
Pectoralis major (all parts) distal attachment humerus- crest of greater tuberosity
Pectoralis major innervation medial and lateral pectoral n. (C5-T1)
Pectoralis major action adduction, internal rotation
Pectoralis major (clavicular, sternocostal parts) action flexion; assist in respiration when shoulder is fixed
Coracobrachialis proximal attachment scapula- coracoid process
Coracobrachialis distal attachment humerus- in line with crest of lesser tuberosity
Coracobrachialis innervation musculocutaneous n. (C6, C7)
Coracobrachialis action flexion, adduction, internal rotation
Subclavius proximal attachment 1st rib
Subclavius distal attachment Clavicle- inferior surface
Subclavius innervation N. to subclavius (C5, C6)
Subclavius action steadies clavicle in sternoclavicular joint
Pectoralis minor proximal attachment 3rd-5th ribs
Pectoralis minor distal attachment coracoid process
Pectoralis minor innervation medial and lateral pectoral n. (C6-T1)
Pectoralis minor action draws scapula downward, causing inferior angle to moe posteromedially; roatates glenoid inferiorly; assists in respiration
Serratus anterior proximal attachment 1st-9th ribs
Serratus anterior distal attachment Scapula- medial border
Serratus anterior innervation long thoracic n. (C5-C7)
Serratus anterior (superior part) action arm adduction; draws scapula laterally forward; elevates ribs when shoulder is fixed
Serratus anterior (intermediate part) action draws scapula laterally forward; elevates ribs when shoulder is fixed
Serratus anterior (inferior part) action rotates scapula laterally;draws scapula laterally forward; elevates ribs when shoulder is fixed
Trapezius (descending part) proximal attachment occipital bone; spinous process of C1-C7
Trapezius (transverse part) proximal attachment aponerousis at T1-T4 spinous processes
Trapezius (ascending part) proximal attachment spinous process of T5-T12
Trapezius (descending part) proximal attachment clavicle- lateral one third
Trapezius (transverse part) distal attachment acromion
Trapezius (ascending part) distal attachment scapular spine
Trapezius (all parts) innervation accessory n.- CN XI; brachial plexus- C3, C4
Trapezius (descending part) action draws scapula obliquely upward; rotates glenoid cavity superiorly; tilts head to same side and rotates it to opposite; steadies scapula on thorax
Trapezius (transverse part) action draws scapula medially; steadies scapula on thorax
Trapezius (ascending part) action draws scapula medially downward; steadies scapula on thorax
Levator scapulae proximal attachment transverse process of C1-C4
Levator scapulae distal attachment scapula (superior angle)
Levator scapulae innervation dorsal scapular n. (C4, C5)
Levator scapulae action draws scapula mediallly upward while moving inferior angle medially; inclines neck to same side
Rhomboid minor proximal attachment spinous process C6, C7
Rhomboid minor distal attachment medial border of scapula above scapular spine
Rhomboid major and minor innervation dorsal scapular n. (C4, C5)
Rhomoid major and minor action steadies scapula, draws scapula mediallly upward
Rhomboid major proximal attachment spinous process of T1-T4
Rhomboid major distal attachment medical border of scapula below scapular spine
Latissimus dorsi (vertebral part) proximal attachment spinous process of T7-T12 vertebrae; thoracolumbar fascia
Latissimus dorsi (scapular part) proximal attachment scapula- inferior angle
Latissimus dorsi (costal part) proximal attachment 9th-12th ribs
Latissimus dorsi (iliac part) proximal attachment iliac crest- posterior one third
Latissimus dorsi (all parts) distal attachment crest of lesser tuberosity of humerus- anterior angle
Latissimus dorsi (all parts) innervation thoracodorsal n. (C6-C8)
Latissimus dorsi (all parts) action internal rotation , adduction, extension, respiration- coughing
Teres major proximal attachment scapula- inferior angle
Teres major distal attachment crest of lesser tuberosity of humerus- anterior angle
Teres major innervation lower subscapular n. (C5-C7)
Teres major action internal rotation, adduction, extension
Biceps (long head) proximal attachment supraglenoid tubercle of scapula
Biceps (short head) proximal attachment coracoid process of scapula
Biceps (all heads) distal attachment radial tuberosity
Biceps (all heads) innervation musculocutaneous n. (C5-C6)
Biceps (all heads) action elbow joint: flexion, supination shoulder joint: flexion; stabilization of humeral head during deltoid contraction; abduction and internal rotation of humerus
Brachialis proximal attachment humerus- distal half of anterior surface)
Brachialis distal attachment ulnar tuberosity
Brachialis innervation musculocutaneous n. (C5, C6), radial n. (C7)
Brachialis action flexion at elbow
Triceps brachii (long head) proximal attachment scapula- infraglenoid tubercle
Trices brachii (medial head) proximal attachment posterior humerus, distal to radial groove; medial intermuscular septum
Triceps brachii (lateral head) proximal attachment posterior humerus, proximal to radial groove; lateral intermuscular septum
Triceps brachii (all heads) distal attachment olecranon of ulna
Triceps brachii (all heads) innervation radial n. (C6-C8)
Triceps brachii (all heads) action elbow joint: extension; shoulder joint, long head: extension and adduction
Aconeus proximal attachment later epicondyle of humerus (variance: posterior joint capsule)
Aconeus distal attachment olecranon of ulna (radial surface)
Aconeus innervation radial n. (C6-C8)
Aconeus action extend elbow and tightens its joint
Pronator teres proximal attachment humeral head: medial epicondyle; ulnar head: coronoid process
Pronator teres distal attachment lateral radios (distal to supinator distal attachment)
Pronator teres innervation median n. (C6, C7)
Pronator teres action Elbow: weak flexion; forearm: pronation
Flexor carpi radialis proximal attachment medial epicondyle of humerus
Flexor carpi radialis distal attachment base of second meatcarpal (variance: base of third metacarpal)
Flexor carpi radialis innervation median n. (C6, C7)
Flexor carpi radialis action wrist: flexion and abduction (radial deviation) of hand
Palmaris longus proximal attachment medial epicondyle of humerus
Palmaris longus distal attachment palmar aponeurosis
Palmaris longus innervation median n. (C7, C8)
Palmaris longus action elbow: weak flexion; wrist: flexion tightens palmar aponeurosis
Flexor carpi ulnaris proximal attachment humeral head: medial epicondyle; ulnar head: olecranon
Flexor carpi ulnaris distal attachment pisiform, hook of hamate, base of fifth metacarpal
Flexor carpi ulnaris innervation ulnar n. (C7-T1)
Flexor carpi ulnaris action wrist: flexion, adduction (ulnar deviation) of hand
Flexor digitorum superficialis proximal attachment humeral head: medial epicondyle; ulnar head: coronoid process
Flexor digitorum superficialis distal attachment sides of middle phalanges of second to fifth digits
Flexor digitorum superficialis innervation median n. (C8, T1)
Flexor digitorum superficialis action elbow: weak flexion; wrist, MCP, PIP joints of second to fifth digits: flexion
Flexor digitorum profundis proximal attachment ulna (two-thirds of flexor surface) and interosseous membrane
Flexor digitorum profundis distal attachment distal phalanges of second to fifth digits (palmar surface)
Flexor digitorum profundis innervation medial n. (C8, T1), ulnar n. (C8, T1)
Flexor digitorum profundis action Wrist, MCP, PIP, DIP joints of second to fifth digits: flexion
Flexor pollicis longus proximal attachment radius (midanterior surface) and adjacent interosseous membrane
Flexor pollicis longus distal attachment distal phalanx of thumb (palmar surface)
Flexor pollicis longus innervation median n. (C7, C8)
Flexor pollicis longus action wrist: flexion and abduction (radial deviation) of hand; carpometacarpal of thumb: flexion; MCP and IP of thumb: flexion
Pronator quadratus proximal attachment distal quarter of ulna (anterior surface)
Pronator quadratus distal attachment distal quarter of radius (anterior surface)
Pronator quadratus innervation median n. (C7, C8)
Pronator quadratus action hand: pronation; distal radioulnar joint: stabilization
Brachioradialis proximal attachment distal humerus (distal surface), later intermuscular septum
Brachioradialis distal attachment styloid process of radius
Brachioradialis innervation radial n. (C5, C6)
Brachioradialis action elbow: flexion; forearm: semipronation
Extensor carpi radialis longus proximal attachment lateral supracondylar ridge of distal humerus, lateral intermuscular septum
Extensor carpi radialis longus distal attachment second metacarpal (base)
Extensor carpi radialis longus innervation radial n. (C6, C7)
Extensor carpi radialis longus action elbow: weak flexion; wrist: extension and abduction (radial deviation)
Extensor carpi radialis brevis proximal attachment lateral epicondyle of humerus
Extensor carpi radialis brevis distal attachment third metacarpal (base)
Extensor carpi radialis brevis innervation radial n. (C6, C7)
Extensor carpi radialis brevis action elbow: weak flexion; wrist: extension, abduction (radial deviation)
Extensor digitorum proximal attachment common extensor head (lateral epicondyle of humerus)
Extensor digitorum distal attachment dorsal digital expansion of 2nd through 5th digit
Extensor digitorum innervation radial n. (C7, C8)
Extensor digitorum action wrist: extension; MCP, PIP, DIP of 2nd to 5th digits: extension/abduction of fingers
Extensor digiti minimi proximal attachment common extensor head (lateral epicondyle of humerus)
Extensor digiti minimi distal attachment dorsal digital expansion of 5th digit
Extensor digiti minimi innervation radial n. (C7, C8)
Extensor digiti minimi action wrist: extension, ulnar abduction of hand; MCP, PIP, DIP of 5th digit: extension and abduction of 5th digit
Extensor carpi ulnaris proximal attachment common extensor head (lateral epicondyle of humerus); ulnar head (dorsal surface)
Extensor carpi ulnaris distal attachment base of 5th metacarpal
Extensor carpi ulnaris innervation radial n. (C7, C8)
Extensor carpi ulnaris action wrist: extension, adduction (ulnar deviation)
Supinator proximal attachment olecranon, lateral epicondyle of humerus, radial collateral ligament, annular ligament of radius
Supinator distal attachment radius (between radial tuberosity and insertion of pronator teres)
Supinator innervation radial n. (C6, C7)
Supinator action radioulnar joints: supination
Abductor pollicis longus proximal attachment radius and ulna (dorsal surface, interosseous membrane)
Abductor pollicis longus distal attachment base of 1st metacarpal
Abductor pollicis longus innervation radial n. (C7, C8)
Abductor pollicis longus action radiocarpal joint: abduction of hand; CM of thumb: abduction
Extensor pollicis brevis proximal attachment radius (posterior surface), interosseous membrane
Extensor pollicis brevis distal attachment base of proximal phalanx of thumb
Extensor pollicis brevis innervation radial n. (C7, C8)
Extensor pollicis brevis action radiocarpal joint: abduction (radial deviation); CM, MCP of thumb: extension
Extensor pollicis longus proximal attachment ulna (posterior surface), interosseous membrane
Extensor pollicis longus distal attachment base of distal phalanx of thumb
Extensor pollicis longus innervation radial n. (C7, C8)
Extensor pollicis longus action wrist: extension and abduction (radial deviation); CM of thumb : adduction; MCP, IP of thumb: extension
Extensor indicis proximal attachment ulna (posterior surface), interosseous membrane
Extensor indicis distal attachment posterior digital extension of 2nd digit
Extensor indicis innervation radial n. (C7, C8)
Extensor indicis action wrist: extension; MCP, PIP, DIP of 2nd digit: extension
Adductor pollicis proximal attachment transverse head: 3rd metacarpal (palmar surface); oblique head: capitate bone, end and 3rd metacarpals (bases)
Adductor pollicis distal attachment base of proximal phalanx via ulnar sesamoid
Adductor pollicis innervation ulnar n. (C8- T1)
Adductor pollicis action CMC of thumb: adduction; MCP of thumb: flexion
Abductor pollicis brevis proximal attachment scaphoid boin and trapezium, flexor retinaculum
Abductor pollicis brevis distal attachment base of proximal phalanx via radial sesamoid
Abductor pollicis brevis innervation median n. (C8-T1)
Abductor pollicis brevis action CMC of thumb: abduction
Flexor pollicis brevis proximal attachment superficial head: flexor retinaculum; deep head: capitate bone, trapezium
Flexor pollicis brevis distal attachment base of proximal phalanx via radial sesamoid
Flexor pollicis brevis innervation median and ulnar nn. (C8-T1)
Flexor pollicis brevis action CMC of thumb: flexion
Opponens pollicis proximal attachment trapezium
Opponens pollicis distal attachment 1st metacarpal (radial border)
Opponens pollicis innervation median n. (C8-T1)
Opponens action CMC of thumb: opposition
Opponens digiti minimi proximal attachment hook of hamate, flexor retinaculum
Opponens digiti minimi distal attachment 5th metacarpal (ulnar border)
Opponens digiti minimi innervation ulnar n. (C8-T1)
Opponens digiti minimi action opposition
Flexor digiti minimi proximal attachment hook of hamate, flexor retinaculum
Flexor digiti minimi distal attachment 5th proximal phalanx (base)
Flexor digiti minimi innervation ulnar n. (C8-T1)
Flexor digiti minimi action MCP joint pinkie: flexion
Abductor digiti minimi proximal attachment pisiform
Abductor digiti minimi distal attachment 5th proximal phalanx (ulnar base), dorsal digital expansion of 5th digit
Abductor digiti minimi innervation ulnar n. (C8-T1)
Abductor digiti minimi action MCP of pinkie: flexion, abduction; PIP, DIP of pinkie: extension
Palmaris brevis proximal attachment palmar aponeurosis (ulnar border)
Palmaris brevis distal attachment skin of hypothenar eminence
Palmaris brevis innervation ulnar n. (C8-T1)
Palmaris brevis action tightens aponeurosis
1st and 2nd lumbricals proximal attachment tendons of flexor digitorum profundus (radial sides)
1st and 2nd lumbricals distal attachment 2nd digit, 3rd digit respectively
1st and 2nd lumbricals innervation median n. (C8-T1)
1st, 2nd, 3rd, 4th lumbricals action 2nd to 5th digits: MCP-- flexion; proximal and distal IP-- extension
3rd and 4th lumbricals proximal attachment tendons of flexor digitorum profundus (bipennate from medial to lateral sides)
3rd and 4th lumbricals distal attachment 4th and 5th digit respectively
3rd and 4th lumbricals innervation ulnar n. (C8-T1)
1st, 2nd, 3rd, 4th dorsal interossei innervation ulnar n. (C8-T1)
1st, 2nd, 3rd, 4th dorsal interossei action 2nd to 4th digits: MCP-- flexion; proximal and distal IP-- extension and abduction from 3rd digit
1st, 2nd, 3rd, 4th dorsal interossei proximal attachment 1st and 2nd metacarpals, 2nd and 3rd metacarpals, 3rd and 4th metacarpals, 4th and 5th metacarpals respectively
1st, 2nd, 3rd, 4th dorsal interossei distal attachment 2nd digit, 2nd proximal phalanx (radial side); 3rd digit, 3rd proximal phalanx (radial side); 3rd digit, 3rd proximal phalanx (ulnar side); 4th digit, 4th proximal phalanx (ulnar side) respectively
1st, 2nd, 3rd, 4th palmar interossei proximal attachment 2nd metacarpal (ulnar side), 4th metacarpal (radial side), 5th metacarpal (radial side) respectively
1st, 2nd, 3rd, 4th palmar interossei distal attachment 2nd digit, 2nd proximal phalanx (base); 4th digit, 4th proximal phalanx (base); 5th digit, 5th proximal phalanx (base) respectively
1st, 2nd, 3rd, 4th palmar interossei innervation ulnar n. (C8-T1)
1st, 2nd, 3rd, 4th palmar interossei action 2nd, 4th, 5th digits: MCP-- flexion; proximal, distal IP-- extension and adduction toward 3rd digit
Created by: babe4jesus55 on 2009-09-21



bad sites Copyright ©2001-2014  StudyStack LLC   All rights reserved.