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Block 1 origins and insertions
n/a
60
Anatomy
Professional
08/29/2010

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Term
Trapezius
Definition
1. Lateral 1/3 of clavicle, acromion, spine of scapula
2. External occipital protuberance, nuchal ligament, Spinous processes of C7-T12
Term
Latissimus dorsi
Definition
1. Spines of T7-T12, thoracolumbar fascia, the iliac crest, ribs 9-12 lateral to their angles
2. Floor of the intertubercular sulcus on the anterior side of the humerus
Term
Rhomboid major
Definition
1. Spinous processes of T2-T5
2. Medial border of the scapula inferior to the spine
Term
Rhomboid minor
Definition
1. Nuchal ligament and the spinous processes of C7 and T1
2. Medial border of the scapula at the level of the spine
Term
Levator Scapula
Definition
1. Transverse processes of the upper 4 cervical vertebrae
2. Superior angle of the scapula
Term
Splenius capitis
Definition
1. Nuchal ligament and the spinous processes of C7-T6
2. Mastoid process of the temporal bone and the superior nuchal line of the occipital bone
Term
Splenius cervicis
Definition
1. Nuchal ligament and the spinous processes of C7-T6
2. Transverse processes of C1-C4
Term
Spinalis
Definition
1. Broad tendon from posterior part of iliac crest, posterior surface of sacrum, sacro-iliac ligaments, sacral and inferior lumbar spinous processes, and supraspinous ligament
2. Spinous processes in upper thoracic region and to cranium
Term
Longissimus
Definition
1. Broad tendon from posterior part of iliac crest, posterior surface of sacrum, sacro-iliac ligaments, sacral and inferior lumbar spinous processes, and supraspinous ligament
2. Transverse processes in thoracic and cervical regions, longissimus capitus attaches to mastoid process of temporal bone
Term
Iliocostalis
Definition
1. Broad tendon from posterior part of iliac crest, posterior surface of sacrum, sacro-iliac ligaments, sacral and inferior lumbar spinous processes, and supraspinous ligament
2. Superiorly to angles of lower ribs and cervical transverse processes
Term
Semispinalis capitis
Definition
1. Transverse processes of upper thoracic vertebrae
2. Occipital bone between the superior and inferior nuchal lines
Term
Inferior obliques of the head
Definition
1. Spinous Process of C2
2. Transverse process of C1
Term
Rectus capitis posterior major
Definition
1. Spinous Process of C2
2. Inferior nuchal line
Term
Superior Obliques of the Head
Definition
1. Transverse process of C1
2. Occipital bone between superior and inferior nuchal line
Term
Deltoid
Definition
1. Spine of scapula, lateral 1/3 of clavicle, acromion
2. Deltoid tuberosity on humerus
Term
Teres minor
Definition
1. Lateral border of scapula
2. Inferior facet of greater tubercle of humerus
Term
Teres major
Definition
1. Inferior angle of scapula
2. Medial lip of intertubercular culcus
Term
Supraspinatus
Definition
1. Supraspinous fossa
2. Highest facet of greater tubercle
Term
Infraspinous
Definition
1. Infraspinous fossa
2. Middle facet of greater tubercle
Term
Triceps brachii
Definition
1. Long head- infraglenoid tubercle of scapula; medial head- posterior surface of humerus, inferior to radial groove; lateral head- posterior surface of humerus superior to radial groove
2. Brachii tendon on olecranon of ulna
Term
Anconeus
Definition
1. Lateral epicondyle of humerus
2. Lateral surface of olecranon and superior part of posterior surface of ulna
Term
Pectoralis major
Definition
1. Lateral lip of intertubercular culcus of humerus
2. Clavicular head- anterior surface of medial half of clavicle; Sternocostal head- anterior surface of sternum, superior six costal cartilages, aponeurosis of external oblique muscle
Term
Pectoralis minor
Definition
1. Ribs 3-5 near their costal cartilages
2. Medial border and superior surface of coracoid process of scapula
Term
Subclavius
Definition
1. Junction of 1st rib and its costal cartilage
2. Inferior surface of middle third of clavicle
Term
Serratus anterior
Definition
1. External surfaces of lateral parts of 1st-8th ribs
2. Anterior surface of medial border of scapula
Term
Biceps brachii
Definition
1. Short head- coracoid process; long head- supraglenoid tubercle
2. Tendon that attaches to tuberosity of radius
Term
Coracobrachialis
Definition
1. Coracoid process
2. Medial side of the shaft of the humerus
Term
Brachialis
Definition
1. Anterior surface of the distal 1/2 of humerus
2. coronoid process of the ulna
Term
Pronator teres
Definition
1. Common flexor tendon- medial epicondyle of humerus
2. Middle of lateral surface of radius
2.
Term
Flexor carpi radialis
Definition
1. Common flexor tendon- medial epicondyle of humerus
2. Tendon attaches to the base of the second metacarpal bone
Term
Palmaris longus
Definition
1. Common flexor tendon- medial epicondyle of humerus
2. Tendon attached to palmar aponeurosis
Term
Flexor carpi ulnaris
Definition
1. Common flexor tendon- medial epicondyle of humerus
2. Tendon attaches to the pisiform bone, the hamate bone, and the base of the fifth metacarpal bone
Term
Flexor digitoru superficialis
Definition
1. Common flexor tendon- medial epicondyle of humerus
2. tendon attaches to middle phalanx of digits 2-5
Term
Flexor digitorum profundus
Definition
1. Anterior surface of the ulna and interosseous membrane
2. four tendons attach to distal phalanx of digits 2-5
Term
Flexor pollicis longus
Definition
1. Anterior surface of radius and interosseous membrane
2. distal phalanx of digit 1
Term
Pronator quadratus
Definition
1. Ulna distal 1/4
2. Radius distal 1/4
Term
Palmaris brevis
Definition
1. Medial aspect of the palmar aponeurosis
2. Skin over hypothenar eminance
Term
Lumbrical muscles
Definition
1. Tendons of flexor digitorum profundus
2. extensor expansions of digits 2-5
Term
Abductor pollicis brevis
Definition
1. Scaphoid, trapezium, and flexor retinaculum
2. Lateral side of the proximal phalanx of the thumb
Term
Flexor pollicis brevis
Definition
1. Scaphoid, trapezium, and flexor retinaculum
2. Lateral side of proximal phalanx of thumb
Term
Opponens pollicis
Definition
1. Scaphoid, trapezium, and flexor retinaculum
2. Lateral side of shaft of the first metacarpal bone
Term
Abductor digiti minimi
Definition
1. Pisiform, hamate, and flexor retinaculum
2. Medial side of base of proximal phalanx of digit 5
Term
Flexor digiti minimi brevis
Definition
1. Pisiform, hamate, and flexor retinaculum
2. Medial side of base of proximal phalanx
Term
Opponens digiti minimi
Definition
1. Pisiform, hamate, and flexor retinaculum
2. Medial border of fifth metacarpal bone
Term
Adductor pollicis
Definition
1. Oblique head- bases of metacarpal bones 2 and 3 and the adjacent carpal bones; Transverse head- anterior surface of the shaft of metacarpal bone 3
2. Medial side of the base of the proximal phalanx of the thumb
Term
Palmar interosseous muscles
Definition
1. metacarpal bones of digits 2, 4, and 5
2. Base of the proximal phalanx and the extensor expansion of the same digit on which it originates
Term
Dorsal interosseous muscles
Definition
1. metacarpal bones 1-5
2. Bases of the proximal phalanges and the extensor expansions of digits 2-4
Term
Brachioradialis
Definition
1. Proximal 2/3 of lateral supraepicondylar ridge of humerus
2. Lateral surface of distal radius
Term
Extensor carpi radialis longus
Definition
1. Lateral supraepicondylar ridge of humerus
2. Base of metacarpal bone 2
Term
Extensor carpi radialis brevis
Definition
1. Lateral epicondyle of humerus via common extensor tendon
2. Base of metacarpal bone 3
Term
Extensor digitorum
Definition
1. Lateral epicondyle of humerus via common extensor tendon
2. Extensor expansions of digits 2-5
Term
Extensor digiti minimi
Definition
1. Lateral epicondyle of humerus via common extensor tendon
2. Extensor expansion of digit 5
Term
Extensor carpi ulnaris
Definition
1. Lateral epicondyle of humerus via common extensor tendon
2. base of metacarpal bone 5
Term
Abductor pollicis longus
Definition
1. Posterior surfaces of the radius, ulna, and interosseous membrane
2. Base of metacarpal bone 1
Term
Extensor pollicis brevis
Definition
1. Posterior surfaces of the radius, ulna, and interosseous membrane
2. Base of proximal phalanx of digit 1
Term
Extensor pollicis longus
Definition
1. Posterior surfaces of the radius, ulna, and interosseous membrane
2. Base of distal phalanx of digit 1
Term
Extensor indicis
Definition
1. Posterior surfaces of the radius, ulna, and interosseous membrane
2. Extensor expansion of digit 2
Term
Subscapularis
Definition
1. Subscapular fossa of scapula
2. Lesser tubercle of humerus
Term
Serratus posterior superior
Definition
1. Nuchal ligament and spinous processes of vertebrae C7-T3
2. Superior borders of ribs 2-5, lateral to their angles
Term
Serratus posterior inferior
Definition
1. Spinous processes of vertebrae T11-L2
2. Inferior borders of ribs 9-12, lateral to their angles
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