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19 Cards in this Set

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o: humero-ulnar head~ coronoid & medial epicondyle (via common flexor tendon)
i: medial lateral radius
a: pronates & flexes forearm at elbow

o: humeroulnar head: med.epicondyle (via common flexor tendon) AND coronoid


i: medial lateral radius


a: pronates & flexes forearm at elbow

Pronator Teres

Pronator Teres

innervated by median nerve

o: medial epicondyle (via common flexor tendon)
i: 2nd metacarpal base
a: abducts & flexes hand at wrist

o: medial epicondyle (via common flexor tendon)


i: 2nd metacarpal base


a: abducts & flexes hand at wrist

Flexor Carpi 
Radialis

Flexor Carpi


Radialis

innervated by median nerve

o: medial epicondyle (via common flexor tendon)
i: palmar aponeurosis
a: tenses palmar aponeurosis & flexes hand at wrist

o: medial epicondyle (via common flexor tendon)


i: palmar aponeurosis


a: tenses palmar aponeurosis & flexes hand at wrist

Palmaris Longus

Palmaris Longus

innervated by median nerve

o: humeral head~    medial epicondyle (via common flexor tendon)
i: pisiform carpal, hamate carpal, 5th metacarpal joint
a: adducts & flexes hand at wrist

o: humeral head: medial epicondyle (via common flexor tendon)


i: pisiform carpal, hamate carpal, 5th metacarpal joint


a: adducts & flexes hand at wrist

Flexor Carpi 
Ulnaris

Flexor Carpi


Ulnaris

innervated by ulnar nerve

o: humero-ulnar head~ medial epicondyle & conoid process
i: intermediate phalanx (digits 2-5)
a: flexes middle phalanges at proximal IP joint of digits 2-5; may assist flexion of proximal phalanges at MCP joint

o: humero-ulnar head~ medial epicondyle & conoid process & RADIAL HEAD: SUPERIOR PORTION OF RADIUS


i: intermediate phalanx (digits 2-5)


a: flexes middle phalanges at proximal IP joint of digits 2-5; may assist flexion of proximal phalanges at MCP joint

Flexor 
Digitorum Superficial

Flexor


Digitorum Superficial

innervated by median nerve

o: proximal ulna
i: distal phalanx (2-5)
a: flexes distal phalanges at distal IP joints at digits 2-5

o: proximal ulna AND interosseous membrane


i: distal phalanx (2-5)


a: flexes distal phalanges at distal IP joints at digits 2-5

Flexor 
Digitorum
Profundus

Flexor


Digitorum


Profundus

innervated by median nerve at digits 2-3 and


ulnar nerve at digits 4-5

o: radius& interosseus membrane
i: distal phalanx (thumb)
a: flexes thumb

o: radius& interosseus membrane


i: distal phalanx (thumb)


a: flexes thumb

Flexor 
Policis
 longus

Flexor


Pollicis


longus

innervated by median nerve

o: distal ulna
i: distal radius
a: pronates forearm

o: distal ulna


i: distal radius


a: pronates forearm

Pronator Quadratus

Pronator Quadratus

innervated by median nerve

o: supracondylar ridge of humerus
i: lateral distal radius
a: flexes forearm at elbow (especially at mid-prone position)

o: supracondylar ridge of humerus


i: lateral distal radius


a: flexes forearm at elbow (especially at mid-prone position)

Brachioradialis

Brachioradialis

innervated by radial nerve

o: supracondylar ridge of humerus
i: 2nd metacarpal
a: extends and abducts hand at wrist, active during fist clench

o: supracondylar ridge of humerus


i: 2nd metacarpal


a: extends and abducts hand at wrist, active during fist clench

Extensor carpi 
radialis longus

Extensor carpi


radialis longus

innervated by radial nerve

o: lateral epicondyle of humerus(via common extensor tendon)
i: 3rd metacarpal
a: extends and abducts hand at wrist

o: lateral epicondyle of humerus(via common extensor tendon)


i: 3rd metacarpal


a: extends and abducts hand at wrist

Extensor carpi 
radialis brevis

Extensor carpi


radialis brevis

innervated by radial nerve

o: lateral epicondyle (~CET)
i: extensor expansion of 2-5 
a: 1)primary extension at MCP joints 2-5, 2) secondary extension at IP distal, intermediate, and proximal phalanx

o: lateral epicondyle (~CET)


i: extensor expansion of 2-5


a: 1)primary extension at MCP joints 2-5, 2) secondary extension at IP distal, intermediate, and proximal phalanx



Extensor 
digitorum

Extensor


digitorum

innervated by radial nerve

o: lateral epicondyle
i: extensor expansion of 5th digit (pinky)
a: 

	
		
		
	
	
		
			
				
					
						1) Primary extension at MCP
5 2)
Secondary extension at
interphalangeal joints of digit 5

o: lateral epicondyle


i: extensor expansion of 5th digit (pinky)


a: 1) Primary extension at MCP5 2)Secondary extension atinterphalangeal joints of digit 5



Extensor digiti minimi

Extensor digiti minimi

innervated by radial nerve

o: lateral epicondyle ~CET and posterior border of ulna
i: 5th metacarpal
a: adducts and extends hand at wrist

o: lateral epicondyle ~CET and posterior border of ulna


i: 5th metacarpal


a: adducts and extends hand at wrist

Extensor carpi 
ulnaris

Extensor carpi


ulnaris

innervated by radial nerve

o: (1) lateral epicondyle, (2) ulna, (3) radial collateral & (4) annual ligament
i: proximal 1/3 of radius
a: supinates forearm

o: (1) lateral epicondyle, (2) ulna, (3) radial collateral & (4) annual ligament


i: proximal 1/3 of radius


a: supinates forearm

Supinator

Supinator

innervates radial nerve

o: 1/2 ulna, radius, interosseous membrane 
i: 1st MCP
a: abducts thumb AND extends @CMCp

o: 1/2 ulna, radius, interosseous membrane


i: 1st MCP


a: abducts thumb AND extends @CMCp

Abductor pollicis longus

Abductor pollicis longus

Radial nerve

o: 1/3 radius (distal), interosseous membrane
i: 1st digit proximal part
a: extends thumb @MCp and @CMCp

o: 1/3 radius (distal), interosseous membrane


i: 1st digit proximal part


a: extends thumb @MCp and @CMCp

Extensor pollicis
 brevis

Extensor pollicis


brevis

radial n

o: 1/3 ulna (middle), interosseous membrane
i: 1st digit distal part
a: extends thumb  @IPC, @MCp, and @CMCp

o: 1/3 ulna (middle), interosseous membrane


i: 1st digit distal part


a: extends thumb @IPC, @MCp, and @CMCp

Extensor pollicis
 longus

Extensor pollicis


longus

radial n

o: 1/3 ulna (distal), interosseous membrane
i: 2nd digit's extensor expansion
a: extends index finger AND EXTENDS HAND AT WRIST!!

o: 1/3 ulna (distal), interosseous membrane


i: 2nd digit's extensor expansion


a: extends index finger AND EXTENDS HAND AT WRIST!!

Extensor indicis

Extensor indicis

radial n