Upper Extremity (Proximal and Distal Attachments) Flashcards
Abductor Pollicis Brevis
P: Tubercles of Scaphoid and Trapezium, and flexor retinaculum
D: Lateral side of base proximal phalanx of thumb
Flexor Pollicis Brevis
P: Tubercles of Scaphoid and Trapezium, and Flexor retinaculum
D: Lateral side of base of proximal phalanx of thumb
Abductor Pollicis Longus
P: Posterior Surfaces of Ulna, Radius, and Interosseous Membrane
D: Base of 1st Metacarpal
Adductor Pollicis
P1: Oblique Head - Bases of 2nd and 3rd metacarpals, capitate, and adjacent carpals
P2: Transverse Head - Anterior Surface of body of 3rd metacarpal
D: Medial side of base of proximal phalanx of thumb
Anconeus
P: Lateral Epicondyle of Humerus
D: Lateral Surface of olecranon and superior part of posterior surface of ulna
Biceps Brachii
P1: Short head - Tip of coracoid process of scapula
P2: Long head - Supraglenoid tubercle of scapula
D: Tuberosity of radius and fascia of forearm via bicipital aponeurosis
Brachialis
P: Distal half of anterior surface of humerus
D: Coronoid process and tuberosity of ulna
Brachioradialis
P: Proximal two-thirds of lateral supracondyle ridge of humerus
D: Lateral surface of distal end of radius
Coracobrachialis
P: Tip of coracoid process of scapula
D: Middle third of medial surface of humerus
Deltoid
P: Lateral Clavicle, acromion, and spine of scapula
D: Deltoid tuberosity of humerus
Extensor Carpi Radialis Brevis
P: Lateral epicondyle of humerus
D: Base of 3rd Metacarpal
Extensor Carpi Radialis Longus
P: Lateral supracondylar ridge of humerus
D: Base of 2nd Metacarpal
Extensor Carpi Ulnaris
P: Lateral epicondyle of humerus and posterior border of ulna
D: Base of 5th Metacarpal
Extensor Digiti Minimi
P: Lateral epicondyle of humerus
D: Extensor expansion of 5th digit
Extensor Digitorum
P: Lateral epicondyle of humerus
D: Extensor expansions of medial four digits
Extensor Indicis
P: Posterior Surface of ulna and interosseous membrane
D: Extensor expansion of 2nd digit
Flexor Carpi Radialis
P: Medial epicondyle of humerus
D: Base of 2nd metacarpal
Flexor Carpi Ulnaris
P1: Medial epicondyle of humerus
P2: Ulnar head - Olecranon and posterior border of ulna
D: Pisiform bone, hook of hamate bone, and 5th metacarpal
Flexor Digiti Minimi Brevis
P: Hook of Hamate and flexor retinaculum
D: Medial side of base of proximal phalanx of little finger
Flexor Digitorum Profundus
P: Proximal 3/4ths of medial and anterior surfaces of ulna and interosseous membrane
D: Base of distal phalanges of medial four digits (2-5)
Flexor Digitorum Superficialis
P1: Humoulnar Head - Medial epidondyle of humerus, ulnar collateral ligament, and coronoid process of ulna
P2: Radial head - Superior half of anterior border of radius
D: Bodies of middle phalangies of medial four digits (2-5)
Flexor Pollicis Longus
P: Anterior surface of radius and adjacent interosseous membrane
D: Base of distal phalanx of thumb
Infraspinatus
P: Infraspinous fossa of scapula
D: Middle facet on greater tuberosity of humerus
Latissimus Dorsi
P: Spinous processes of inferior 6 thoracic vertebrae, thoracolumbar fascia, iliac crest, and inferior 3 or 4 ribs
D: Floor of intertubercular groove of humerus
Levator Scapulae
P: Posterior tubercles of transverse processes of C1-C4 vertebrae
D: Superior part of medial border of scapula
Lumbricals
P1: Lumbricals 1 and 2 - Lateral two tendons of flexor digitorum profundus
P2: Lumbricals 3 and 4 - Medial three tendons of flexor digitorum profundus
D: Lateral sides of extensor expansions of medial digits (2-5)
Opponens Digiti Minimi
P: Hook of hamate and flexor retinaculum
D: medial border of 5th metacarpal
Opponens Pollicis
P: Flexor retinaculum and tubercles of scaphoid and trapezium
D: Lateral side of 1st metacarpal
Palmaris Longus
P: Medial epicondyle of humerus
D: Distal half of flexor retinaculum and palmar aponeurosis
Pectoralis Major
P1: Clavicular head - Anterior surface of medial half of clavicle
P2: Sternocostal head - Anterior surface of sternum, superior six costal cartilages, and aponeurosis of external oblique muscle
D: Lateral lip of intertubercular groove of humerus
Pectoralis Minor
P: 3rd to 5th ribs near their costal cartilages
D: Medial border and superior surface of coracoid process of scapula
Pronator Quadratus
P: Distal fourth of anterior surface of ulna
D: Distal fourth of anterior surface of radius
Pronator Teres
P: Medial epicondyle of humerus and coronoid process of ulna
D: Middle of lateral surface of radius
Rhomboid Major
P: Spinous processes of T2-T5 Vertebrae
D: Medial border of scapula from level of spine to inferior angle
Serratus Anterior
P: External surfaces of lateral parts of 1st to 8th ribs
D1: Superior - Superior angle
D2: Intermediate - Along the medial border
D3: Inferior - Near the inferior angle
Rhomboid Minor
P: Nuchal ligament and spinous processes of C7 and T1 vertebrae
D: Medial border of scapula from level of spine to inferior angle
Subclavius
P: Junction of 1st rib and its costal cartilage
D: Inferior surface of middle third of clavicle
Subscapularis
P: Subscapular fossa of scapula
D: Lesser tuberosity of humerus
Supinator
P: Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator fossa and crest of ulna
D: Lateral posterior and anterior surfaces of proximal third of radius
Supraspinatus
P: Supraspinous fossa of scapula
D: Superior facet on greater tuberosity of humerus
Teres Major
P: Dorsal surface of inferior angle of scapula
D: Medial lip of intertubercular groove of humerus
Teres Minor
P: Superior part of lateral border of scapula
D: Inferior facet on greater tuberosity of humerus
Trapezius
P: Medial third of superior nunchal line; external occipital protuberance, nunchal ligament, and spinous processes of C7-T12
D: Lateral third of clavicle, acromion, and spine of scapula
Triceps Brachii
P1: Long head - Infraglenoid tubercle of scapula
P2: Lateral head - Posterior surface of humerus, superior to radial groove
P3: Medial head - Posterior surface of humerus, inferior to radial groove
D: Proximal end of olecranon process of ulna and fascia of forearm