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Details

Elbow
Muscles and Angles
72
Medical
Professional
08/10/2011

Additional Medical Flashcards

 


 

Cards

Term

Origin of Biceps brachii

Definition

Supraglenoid tubercle of scapula

Coracoid process

Term

 Insertion of Biceps brachii

Definition
Radial tuberosity
Term

Action of Biceps brachii

Definition

Flexion

Supination

Stabilize humeral head during deltoid contraction

Abduction and internal rotation of humerus

Term
Origin of Triceps brachii
Definition

Infraglenoid tubercle of scapula

Posterior surface of humerus

Term
Insertion of Triceps brachii
Definition
Olecranon of ulna
Term
Action of Triceps brachii
Definition

Extension of elbow

Adduction and backward movement of arm

Term
Origin of Anconeus
Definition
Lateral epicondyle
Term
Insertion of Anconeus
Definition
Olecranon of Ulna
Term
Action of Anconeus
Definition

Extension

Tighten joint capsule 

Term
Origin of Pronator teres
Definition

Medial epicondyle

Coronoid process of ulna

Term
Insertion of Pronator teres
Definition
Radius (lateral)
Term
Action of Pronator teres
Definition

Pronation

Weak flexor

 

Term
Origin of Flexor digitorum superficialis
Definition

Medial epicondyle

Coronoid process

Radial Tuberosity

Term
Insertion of Flexor digitorum superficialis
Definition
Digits 2-5 middle phalanges
Term
Action of Flexor digitorum superficialis
Definition
Flexion of MCP and PIP of Digits 2-5 and wrist
Term
Origin of Flexor carpi radialis
Definition
Medial epicondyle
Term
Insertion of Flexor carpi radialis
Definition
Base of 2nd metacarpal
Term
Action of Flexor carpi radialis
Definition

Flexion of hand

Abduction of hand

Term
Origin of Flexor carpi ulnaris
Definition

Medial epicondyle

Olecranon

Term
Insertion of Flexor carpi ulnaris
Definition
Pisiform hook of hamate, base of 5th metacarpal
Term
Action of Flexor carpi ulnaris
Definition

Flexion of hand

Adduction of hand

Term
Origin of Palmaris longus
Definition
Medial epicondyle
Term
Insertion of Palmaris longus
Definition
Palmar aponeurosis
Term
Action of Palmaris longus
Definition

Palmar flexion

Tighten palmar aponeurosis for gripping

Weak flexor

Term
Origin of Flexor digitorum profundus
Definition
Ulna and Interosseous membrane
Term
Insertion of Flexor digitorum profundus
Definition
Palmar surface of Digits 2-5 distal phalanges
Term
Action of Flexor digitorum profundus
Definition
Flexion of MCP, PIP, DIP joints of Digits 2-5, wrist
Term
Origin of Flexor pollicis longus
Definition
Radius and Interosseous membrane
Term
Insertion of Flexor pollicis longus
Definition
Distal phalanx of thumb
Term
Action of Flexor pollicis longus
Definition

Flexion and radial abduction of thumb

Opposition

Term
Origin of Pronator quadratus
Definition
Distal Ulna
Term
Insertion of Pronator quadratus
Definition
Distal radius
Term
Action of Pronator quadratus
Definition

Pronate hand

Stabilize distal radioulnar joint

Term
Origin of Brachioradialis
Definition

Distal humerus (lateral)

Lateral intermuscular septum

Term
Insertion of Brachioradialis
Definition
Styloid process of radius
Term
Action of Brachioradialis
Definition

Flexion of elbow

Semipronation of forearm joint

Term
Origin of Extensor carpi radialis longus
Definition

Distal humerus (lateral supracondylar ridge)

Lateral intermuscular septum

Term
Insertion of Extensor carpi radialis longus
Definition
Dorsal base of 2nd metacarpal
Term
Action of Extensor carpi radialis longus
Definition

Dorsal extension and abduction of hand

Weak flexor of elbow

Term
Origin of Extensor carpi radialis brevis
Definition
Lateral epicondyle of humerus
Term
Insertion of Extensor carpi radialis brevis
Definition
Dorsal base of 3rd metacarpal
Term
Action of Extensor carpi radialis brevis
Definition

Dorsal extension and abduction of hand

Weak flexor of elbow

Term
Origin of Extensor digitorum
Definition
Lateral epicondyle
Term
Insertion of Extensor digitorum
Definition
Dorsal expansion of Digits 2-5
Term
Action of Extensor digitorum
Definition

Extension and abduction of MCP, PIP, DIP of digits 2-5

Extension of wrist

Term
Origin of Extensor digiti minimi
Definition
Lateral epicondyle of humerus
Term
Insertion of Extensor digiti minimi
Definition
Dorsal digital expanion of 5th digit
Term
Action of Extensor digiti minimi
Definition

Extension and abduction of MCP, PIP, DIP of 5th digit

Extension of wrist

Ulnar abduction of hand

Term
Origin of Extensor carpi ulnaris
Definition
Lateral epicondyle
Term
Insertion of Extensor carpi ulnaris
Definition
Base of 5th metacarpal
Term
Action of Extensor carpi ulnaris
Definition
Extension and adduction of hand (ulnar deviation)
Term
Origin of Supinator
Definition

Olecranon

Lateral epicondyle

Term
Insertion of Supinator
Definition
Radius
Term
Action of Supinator
Definition
Supinate forearm
Term
Origin of Abductor pollicis longus
Definition

Dorsal surface of radius and ulna

Interosseous membrane

Term
Insertion of Abductor pollicis longus
Definition
Base of 1st metacarpal
Term
Action of Abductor pollicis longus
Definition
Abduction of hand
Term
Origin of Extensor pollicis brevis
Definition
Posterior surface of radius and interosseous membrane
Term
Insertion of Extensor pollicis brevis
Definition
Base of proximal phalanx of thumb
Term
Action of Extensor pollicis brevis
Definition

Extension of Carpometacarpal and MCP jonts

Abduction of hand

Term
Origin of Extensor pollicis longus
Definition
Posterior surface of  ulna and interosseous membrane
Term
Insertion of Extensor pollicis longus
Definition
Base of distal phalanx of thumb
Term
Action of Extensor pollicis longus
Definition
Extension of thumb via MCP and interphalangeal joints
Term
Origin of Extensor indicis
Definition

Posterior surface of ulna

Interosseous membrane

Term
Insertion of Extensor indicis
Definition
Posterior digital expansion of 2nd digit
Term
Action of Extensor indicis
Definition

Extension of 2nd digit via MCP, PIP, DIP

Extension of wrist

Term
Primary flexor
Definition
Biceps and Brachialis
Term
Secondary flexor
Definition

Brachioradialis

Supinator

Term
Primary Extensor
Definition
Triceps
Term
Secondary Extensor
Definition
Anconeus
Term
Primary Supinator
Definition

Biceps

Supinator

Term
Primary Pronator
Definition

Pronator teres

Pronator quadratus

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