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Costal surface lateral view Posterior surface
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Lowercaselettersare theborders
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Acromioclavicularligament
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RCL = radialcollateral ligament
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Origin: External occipital protuberance,
nuchal ligament, superior nuchal line,spinous process
Insertion: Posterior-lateral 3rd of clavicle,acromion process, spine of scapula
3 fiber directions: Ascending, descending,transverse
Innervation:Accessory nerve,Cervical spinal
nerves (C3-4)
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Origin: Ribs 3-5
Insertion: Coracoid process
Innervation: Medial
pectoral nerve (Branch ofbrachial plexus) (C8-T1)
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Origin: Anterior surface of the top 8-9ribs, along about the mid-clavicular line
Insertion: Medial boarder of the scapula(costal / anterior surface)
Lower 4 interdigitate with the externaloblique muscle
Abducts scapula upwards like thetrapezius muscle
Innervation: Long thoracic nerve (fromthe roots of C5-7)
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2 Components: Clavicular head,Sternocostal head
Origin:(clavicular) Anterior serface ofmedial half of the clavicle
(sternocostal) Anterior surface ofthe sternum, anterior surface ofthe costal cartilages (2nd-6th),aponeurosis of the externaloblique
Insertion: intertubercular grooveof the humerus
Innervation: Lateral and medial pectoral nerves (branches of brachial plexus)(Clavicular) C5-6
(Sternocostal) C7-8,T1
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Origin: Posterior portion of theiliac crest, Spinous process ofvertebrates T7-L5, lower 3-4 ribs,thoracolumbar aponeurosis(down to the sacrum)
Insertion: Intertubercular Groove
Innervation: Thoracodorsal nerve
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3 Components: Anterior, Lateral,
Posterior
Origin:(Anterior) Anterior lateral 3rd of theclavicle(Lateral) Acromion
(Posterior) Spine of the scapula
Insertion:(All 3 components) Deltoid tuberosity
Innervation: Axillary nerve
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2 Heads: Long Head (Lateral side),Short Head (Medial side)
Origin:(Long) Supraglenoid tuberosity(Short) Coracoid Process
Insertion:Radial tuberosity (both heads)Bicipital aponeurosis going intodeep fascia of forearm (bothheads)
Innervation: Musculocutaneousnerve (C5-C6)
**important in supination of theforearm**
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3 Heads:
(Superficial Plane) Long Head, Lateral Head(Deep Plane) Medial Head
Origin:(Long) Infraglenoid Tubercle(Lateral) Superior to radial groove
(Medial) Inferior to radial groove
Insertion: Olecranon process of the ulna
Innervation: Radial Nerve, Axillary Nerve
superficial flexor carpi ulnaris E
http://en.wikipedia.org/wiki/Flexor_carpi_ulnarishttp://en.wikipedia.org/wiki/Flexor_carpi_ulnarishttp://en.wikipedia.org/wiki/Palmaris_longus7/29/2019 slides for Week 19 Anat Prac notes.ppt
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superficial flexor carpi ulnaris E
superficial pronator teres I
superficial (orintermediate)
flexor digitorumsuperficialis (sublimis)
E
deep flexor digitorumprofundus
E
deep flexor pollicis longus E
deep pronator quadratus I
(see below) brachioradialis I
superficialextensor carpi radialislongus
E
superficialextensor carpi radialisbrevis
E
intermediateextensor digitorum(communis) E
intermediateextensor digiti minimi(proprius)
E
superficial extensor carpi ulnaris E
deep abductor pollicis longus E
deep extensor pollicis brevis E
http://en.wikipedia.org/wiki/Flexor_carpi_ulnarishttp://en.wikipedia.org/wiki/Pronator_tereshttp://en.wikipedia.org/wiki/Flexor_digitorum_superficialishttp://en.wikipedia.org/wiki/Flexor_digitorum_superficialishttp://en.wikipedia.org/wiki/Flexor_digitorum_profundushttp://en.wikipedia.org/wiki/Flexor_digitorum_profundushttp://en.wikipedia.org/wiki/Flexor_pollicis_longushttp://en.wikipedia.org/wiki/Pronator_quadratushttp://en.wikipedia.org/wiki/Brachioradialishttp://en.wikipedia.org/wiki/Extensor_carpi_radialis_longushttp://en.wikipedia.org/wiki/Extensor_carpi_radialis_longushttp://en.wikipedia.org/wiki/Extensor_carpi_radialis_brevishttp://en.wikipedia.org/wiki/Extensor_carpi_radialis_brevishttp://en.wikipedia.org/wiki/Extensor_digitorumhttp://en.wikipedia.org/wiki/Extensor_digitorumhttp://en.wikipedia.org/wiki/Extensor_digiti_minimihttp://en.wikipedia.org/wiki/Extensor_digiti_minimihttp://en.wikipedia.org/wiki/Extensor_carpi_ulnarishttp://en.wikipedia.org/wiki/Abductor_pollicis_longushttp://en.wikipedia.org/wiki/Extensor_pollicis_brevishttp://en.wikipedia.org/wiki/Extensor_pollicis_brevishttp://en.wikipedia.org/wiki/Abductor_pollicis_longushttp://en.wikipedia.org/wiki/Extensor_carpi_ulnarishttp://en.wikipedia.org/wiki/Extensor_digiti_minimihttp://en.wikipedia.org/wiki/Extensor_digiti_minimihttp://en.wikipedia.org/wiki/Extensor_digitorumhttp://en.wikipedia.org/wiki/Extensor_digitorumhttp://en.wikipedia.org/wiki/Extensor_carpi_radialis_brevishttp://en.wikipedia.org/wiki/Extensor_carpi_radialis_brevishttp://en.wikipedia.org/wiki/Extensor_carpi_radialis_longushttp://en.wikipedia.org/wiki/Extensor_carpi_radialis_longushttp://en.wikipedia.org/wiki/Brachioradialishttp://en.wikipedia.org/wiki/Pronator_quadratushttp://en.wikipedia.org/wiki/Flexor_pollicis_longushttp://en.wikipedia.org/wiki/Flexor_digitorum_profundushttp://en.wikipedia.org/wiki/Flexor_digitorum_profundushttp://en.wikipedia.org/wiki/Flexor_digitorum_superficialishttp://en.wikipedia.org/wiki/Flexor_digitorum_superficialishttp://en.wikipedia.org/wiki/Pronator_tereshttp://en.wikipedia.org/wiki/Flexor_carpi_ulnaris7/29/2019 slides for Week 19 Anat Prac notes.ppt
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