Danmark August 2017 (Arm lines) Flashcards
Origin/Insertion of Levator scapula?
O: Processus transversi C1-C4 I: Angulus superior scapula Superior medial aspect of scapula Root of spina scapula

Actions of Levator scapula?
Elevation scapula Extension neck Lateral flexion neck (Ipsilateral rotation neck) (Downward rotation scapula) (Retraction scapula)
Origin/Insertion of Rhomboideus
O: Processus spinosi C7-Th1 (minoris) Processus spinosi Th2-Th5 (majoris) I: Margo medialis scapula, from root towards angulus inferior

Actions of Rhomboideus
Retraction scapula Elevation scapula (Downward rotation scapula) (Contralateral rotation - when scapula is fixed)
Origin/Insertion of Supraspinatus
O: Fossa supraspinata I: Tuberculum majus humeri (upper facet)
Actions of Supraspinatus
Abduction
Origin/Insertion of Infraspinatus
O: Fossa infraspinata I: Tuberculum majus (middle facet)
Actions of Infraspinatus
Lateral rotation shoulder
Origin/Insertion of Subscapularis
O: Fossa subscapularis I: Tuberculum minor humerus

Actions Subscapularis
Medial rotation shoulder
Origin/Insertion of Teres Minor
O: Superior part of margo lateralis scapulae I: Tuberculum majus humerus (inferior facet)

Actions Teres minor
Lateral rotation shoulder (Adduction shoulder)
Origin/Insertion of Triceps brachii
O: Longhead - Tuberculum infraglenoidale scapulae Lateral head - Posterior aspect of humerus, proximal 1/2 Medial head - Posterior aspect of humerus, distal 1/2 I: Olecranon ulna Fascia antebrachii

Actions Triceps brachii
Extension elbow (Adduction shoulder) (Extension shoulder)
Origin/Insertion of Opponens digiti minimi
O: Flexor retinaculum Os hamatum I: 5. metacarpal ulnarside

Actions of Opponens digiti minimi
Opposition little finger (Flexion cmc5) (Adduction cmc5) (Lateral rotation cmc5)
Origin/Insertion of Flexor digiti minimi brevis/manus
O: Flexor retinaculum Os hamatum I: Basis of proximal phalanx little finger, ulnarside

Actions of Flexor digiti minimi brevis
Flexion little finger MCP
Origin/Insertion of Abductor digiti minimi
O: Os pisiforme Tendon of flexor carpi ulnaris I: Basis of proximal phalanx, ulnar side Dorsal digital expansion

Actions of Abductor digiti minimi
Abduction little finger cmc Abduction little finger mcp (Extension little finger PIP) (Extension little finger DIP)
Origin/Insertion of Pectoralis minor
O: 3-5ribs I: Processus coracoideus scapula
Actions of Pectoralis minor
Protraction scapula Depression scapula Elevation 3-5th ribs (Downward rotation scapula)
Origin/Insertion of Biceps brachii
O: Long head - Tuberculum supraglenoidale scapula Short head - Processus coracoideus scapula I: Tuberositas radii Bicipital aponeurosis

Actions of Biceps brachii
Flexion elbow Supination elbow Flexion shoulder (Abduction shoulder) (Adduction shoulder)
Origin/Insertion of Abductor pollicis brevis
O: Flexor retinaculum Tuberculum scaphoideum Tuberculum trapezium I: Proximal phalanx thumb, radial side

Actions Abductor pollicis brevis
Abduction thumb (Flexion thumb MCP) (Extension thumb CMC) (Extension thumb IP)
Origin/Insertion of Flexor pollicis brevis
O: Flexor retinaculum Os trapezium Os capitatum I: Proximal phalanx thumb, radial side

Actions Flexor pollicis brevis
Flexion thumb CMC Flexion thumb MCP (Abduction thumb CMC)
Origin/Insertion of Opponens pollicis
O: Flexor retinaculum Tuberculum trapezium I: 1.metacarpal, radial side

Actions Opponens pollicis
Opposition thumb CMC (Flexion thumb CMC) (Medial rotation thumb CMC) (Abduction thumb CMC)
Origin/Insertion of Trapezius
O: Processus spinosi C7-Th12 Ligamentum nuchae Protuberantia externa occipitale I: Lateral 1/3 of clavicula Acromion Spina Scapula
Actions of Trapezius
Lateral flexion neck Extension neck Contralateral rotation neck Elevation scapula Retraction scapula Depression scapula (Upward rotation scapula) (Extension trunk)
Origin/Insertion of Deltoideus
O: Lateral 1/3 of clavicula Acromion Spina scapula I: Tuberositas deltoidea humeri
Actions of Deltoideus
Abduction shoulder Flexion shoulder Extension shoulder Medial rotation shoulder Lateral rotation shoulder (Downward rotation scapula) (Ipisilateral rotation trunk) (Contralateral rotation trunk)
Muscles which share common extensor tendon at the lateral epicondyle?
Extensor carpi radialis brevis
Extensor digitorum
Extensor carpi ulnaris
Extensor digiti minimi
Origin/Insertion of Pectoralis major
O: Clavicula medial 1/2 1-7. costal cartilage Sternum The aponeurosis of the external oblique muscle I: Crista tuberculi majus humeri
Actions of Pectoralis major
Adduction shoulder Medial rotation shoulder Flexion shoulder (Extension shoulder) (Abduction shoulder) (Depression scapula) (Protractoin scapula) (Elevation trunk) (Lateral deviation trunk) (Ipsilateral rotation trunk)
Origin/Insertion of Latissimus dorsi
O: Processus spinosi Th7-L5 Posterior sacrum Posterior crista iliaca, medial 1/3 9-12th ribs Angulus inferior scapula (All these attachments are via the thoracolumbar fascia) I: Crista tuberculi minoris humeri
Actions of Latissimus forsi
Medial rotation shoulder Adduction shoulder Extension shoulder (Elevation pelvis) (Depression scapula) (Lateral flexion trunk) (Contralateral rotation trunk)
Muscles that originate from a common tendon, which arises from the medial epicondyle of the humerus?
Flexor carpi ulnaris
Palmaris longus
Flexor carpi radialis
Pronator teres
Origin/Insertion of Abductor pollicis longus? (Superficial back arm line)
O: Middle 1/3 of radius, ulna and interosseus membrana I: Lateral side of base of 1st metacarpal

Origin/Insertion of Extensor pollicis brevis
O: Distal 1/3 radius and interosseus membrana I: Posterolateral base of proximal phalanx of thumb

Origin/Insertion of Extensor pollicis longus
O: Middle 1/3 of posterior ulna and interosseus membrana I: Dorsal digital expansion distal phalanx thumb

Origin/Insertion of Extensor indicis
O: Distal 1/3 of posterior ulna + interosseus membrana I: Index finger extensor

pOrigin/Insertion of Palmaris longus (part of flexor group)
O: Medial epicondyle I: Palmar aponeurosis
Origin/Insertion of Pronator quadratus
O: Distal 1/4 anterior ulna I: Distal 1/4 anterior radius

Origin/Insertion of Serratus anterior
O:
Ribs 1-9
I:
Anterior surface of the entire medial border of scapula

Main actions of serratus anterior
Protraction scapula
Upward rotation scapula
Position serratus anterior
From posterior, deep to scapula
From anterior, deep to pec major and minor
Superficial anterolateral on trunk where it meets the external oblique
Origin/Insertion of Internal oblique
O:
Lateral 2/3 of Inguinal ligament1
Iliac crest
Thoracolumbar fascia
I:
Ribs 10-12 (lower 3)
Abdominal aponeurosis

Actions of Internal oblique
Flexion trunk
Lateral flexion trunk
Ipsilateral rotation trunk
Posterior tilt pelvis
Position internal oblique?
Lateral to rectus abdominis
Deep to external oblique
Superficial to transversus abdominis
Position levator skapula
Inferiorly, deep to trapezius
Superiorly, deep to splenius capitis and sternocleidomastoideus
Position of rhomboideus
Deep to trapezius
Position supraspinatus
Proximal, deep to trapezius
Distally, deep to deltoideus
Position infraspinatus
Proximally, mostly superficial
Distally, deep to deltoideus
Position teres minor
Medial portion, superficial
Lateral portion, deep to deltoideus
Position Subscapularis
Distal tendon is deep to tendons of short head of biceps and coracobrachialis
Distal tendon is between supraspinatus and latissimus dorsi attachments
Position abductor pollicis brevis
Superficial in the thenar eminence
Position opponens digiti minimi
Medial portion deep to abductor digiti minimi manus and flexor digiti minimi
A small part is superficial in the most lateral aspect of the hypothenar eminence
Position flexor digiti minimi
Deep to abductor digiti minimi manus
Position abductor digiti minimi
Superficial in the medial part of the hypothenar emienence
Position pectoralis minor
Deep to pectoralis major
Position flexor pollicis brevis
Medial portoin is superficial in thenar eminence
Lateral portion is deep to abductor pollicis brevis
Position opponens pollicis
Deepest of the 3 thenar muscles
Deep to abductor pollicis brevis, and the flexor pollicis brevis
Position latissimus dorsi
Distal tendon runs paralell to distal tendon of teres major
Position Abductor pollicis longus
Most of the belly is deep in the distal posterior forearm to extensor digitorum, extensor digiti minimi, extensor carpi ulnaris





