UE MSK: Prox/Dist Attachement Flashcards
Pec Major
Prox: Medial Half of Clavicle; Manubrium and Sternum; Costal Cartilage ribs 1-6; Anterior Rectus Sheath.
Dist: Crest of the Greater Tubercle
Pec Minor
Prox: Ant. Ribs 3-5
Dist: Coracoid Process
Subclavius
Prox: 1st Ribs
Dist: Inferior acromial end of the clavicle
Deltoid (Ant, Mid, Post)
Prox: Anterior Head - Lateral 1/3 of the Clavicle; Middle - Acromion; Posterior Head - Scapular Spine
Dist: Deltoid Tuberosity of the Humerus
Trapezius (Descending to Ascending)
Prox: Descending - External Occipital Pertuberance, Spinous process of C1-C7 Vertebrae ; Transverse - Spinous Process of T1-T4 Vertebrae; Ascending - Spinous Process of T5-T12 Vertebrae.
Dist: Descending - Lateral 1/3 of the posterior clavicle; Transverse - Medial Acromion; Ascending - Upper crest of the scapular spine
Rhomboid Minor
Prox: Spinous Process of C7-T1 Vertebrae
Dist: Medial Border of Scapula Inferior to the Scapular Spine.
Rhomboid Major
Prox: Spinous Process of T2-T5 Vertebrae
Dist: Medial Border of the Scapula inferior to the scapular spine
Supraspinatus
Prox: Suprascapular fossa
Dist: Greater Tubercle of the Humerus.
Infraspinatus
Prox: Infrascapular Fossa
Dist: Greater Tubercle of Humerus
Subscapularis
Prox: Subscapular Fossa
Dist: Lesser Tubercle of Humerus
Teres Minor
Prox: Upper 2/3’s of the lateral border of Scapula
Dist: Greater Tubercle of Humerus
Teres Major
Prox: Dorsal Surface of the Inferior Angle of Scapula.
Dist: Crest of the lesser Tubercle of the Humerus
Latissimus Dorsi
Prox: Inferior angle of Scapula; Ribs 9-12; Spinous Process of T7-T12 Vertebrae; Posterior 1/3 of the Iliac Crest
Dist: Crest of the Lesser Tuberosity of the Humerus
Levator Scapulae
Prox: Transfers Process of C1-C4 Vertebrae.
Dist: Superior Angle to the Medial border of the Scapula
Serratus Anterior
Prox: Anterior Surface of Ribs 1 - 9
Dist: Medial Margin of the Costal Surface of the Scapula
Coracobrachialis
Prox: Coracoid Process
Dist: Upper 1/3 of the Humerus
Biceps Brachii Long Head
Prox: Supraglenoid Tubercle of the Scapula
Dist: Radial Tuberosity
Biceps Brachii Short Head
Prox: Coracoid Process
Dist: Radial Tuberosity
Triceps Brachii Long Head
Prox: Infraglenoid Tubercle of the Scapula
Dist: Olecranon Process via Triceps Brachii Tendon
Triceps Brachii Medial Head
Prox: Posteromedial surface of the Humerus
Dist: Olecranon Process via Triceps Brachii Tendon
Triceps Brachii Lateral Head
Prox: Posterolateral surface of the humerus
Dist: Olecranon Process via Triceps Brachii Tendon
Brachialis
Prox: Distal Anterior Surface of the Humerus
Dist: Coronoid Process of the Ulna
Anconeus
Prox: Lateral Epicondyle of Humerus
Dist: Lateral Olecranon
Brachioradialis
Prox: Distal + Lateral Supracdylar Ridge of Humerus
Dist: Lateral Styloid Process of Radius
Extensor Carpi Radialis Longus
Prox: Lateral Supracondylar Ridge of Humerus
Dist: Dorsal Base of the 2nd Metacarpal
Extensor Carpi Radialis Brevis
Prox: Lateral Epicondyle of Humerus
Dist: Dorsal Base of 3rd Metacarpal
Extensor Digitorum
Prox: Lateral Epicondyle of Humerus
Dist: Dorsal Extensor Expansion Digits 2-5.
Extensor Carpi Ulnaris
Prox: Lateral Epicondyle of humerus and Posterior Surface of Ulna
Dist: Base of the 5th metacarpal on the medial side
Extensor Digiti Minimi
Prox: Lateral Epicondyle of Humerus
Dist: Dorsal Extensor Expansion of the 5th digit
Supinator
Prox: Supinator Crest/Fossa of the Ulna; Lateral Epicondyle
Dist: Lateral 1/3 of the Proximal Radius
Abductor Pollicis Longus
Prox: Middle 1/3 of the posterior radius; Interosseous Membrane
Dist: Base of the 1st Metacarpal
Extensor Pollicis Longus
Prox: Posterolateral Surface of Ulna; Interosseous Membrane
Dist: Base of the distal phalanx of the 1st digit.
Extensor Pollicis Brevis
Prox: Posterior Surface of the Distal Radius; Interosseous Membrane
Dist: Base of the Proximal Phalanx of the 1st Digit
Extensor Indicis
Prox: Posteriolateral Ulna, Interosseus Membrane
Dist: Extensor digitorum into the extensor expansion.
Pronator Teres
Prox: Common Flexor Tendon; Medial Epicondyle of the Humerus; Coronoid Process of the Ulna
Dist: Lateral Radius Distal to the Supinator insertion.
Flexor Carpi Radialis
Prox: Medial Epicondyle of the Humerus.
Dist: Base of the 2nd and 3rd metacarpals
Palmer’s longus (Vestigial Muscle)
Prox: Medial Epicondyle of the Humerus.
Dist: Palmar Aponeurosis
Flexor Carpi Ulnaris
Prox: Medial Epicondyle of the Humerus; Lateral Olecranon
Dist: Pisiform, Hook of Hamate, Base of the 5th Metacarpal.
Flexor Digitorum Superficialis
Prox: Medial Epicondyle; Middle 1/3 of the Radius
Dist: Middle phalanges of the 2-5 digits
Flexor Digitorum Profundus
Prox: Posteriomedial border of the Ulna; Interosseous Membrane
Dist: Base of the Distal Phalanges digits 2-5.
Flexor Pollicis Longus
Prox: Anterior Surface of Radius; Interosseous Membrane
Dist: Distal Phalanx of the 1st digit (Palmar side)
Pronator Quadratus
Prox: Anteriore Surface of Distal Ulna
Dist: Anterior Surface of Distal Radius
Abductor Pollicis Brevis (Thenar Eminence)
Prox: Scaphoid and Trapezium
Dist: Base of the Proximal Phalanx of the 1st digit
Opponents Pollicis (Thenar Eminence)
Prox: Trapezium
Dist: Radial Margins of the 1st Metacarpal
Flexor Pollicis Brevis (Thenar Eminence)
Prox: Capitate; Trapezium
Dist: Base of the Proximal Phalanx of the 1st Digit
Palmaris Brevis
Prox: Palmar Aponeurosis
Dist: Skin of the Hypothenar Eminence near the Ulnar Border
Abductor Digiti Minimi
Prox: Pisiform
Dist: Base of the proximal Phalanx of the 5th digit; Extensor Expansion of the 5th digit
Flexor Digit Minimi (Hypothenar eminence)
Prox: Hook of Hamate
Dist: Base of the 5th Proximal Metacarpal
Opponens Digiti Minimi
Prox: Hook of Hamate
Dist: Ulnar Margins of the 5th metacarpal
Lumbricals
Prox: Tendons of Flexor Digitorum Profundus of Digits 2-5
Dist: Extensor Expansion of digits 2-5
Adductor Pollicis Oblique
Prox: Capitate; Base of the 2nd and 3rd Metacarpal
Dist: Base of the Prox. Phalanx of the 1st digit
Adductor Pollicis Transverse
Prox: Shaft of the palmar side of the 3rd metacarpal
Dist: Base of the proximal phalanx of the 1st digit
Dorsal Interosseous of the Hand
(DABS)
Prox: Metarpals 1-5
Dist: Base of the proximal Phalanx and the extensor expansion of digits 2-5, for their own respective muscle (DAB 1 = phalanx 2; Dab 2 = Phalanx 3 and so on until Dab 4 = Phalanx 5)
Palmar Interosseous of the Hand
(PADS)
Prox: 2nd, 4th and 5th metacarpal
Distal; 2nd, 4th, and 5th Proximal Phalanx