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Muscles

Upper back and arm

QuestionAnswer
-Superficial-Upper back and neck -Upper and lower fibers are antagonist in elevation and depression of Scapula O: LENS (Ligamentum Nuche, EOP, Nuchal Line, SP C7-T12 I:SAC (Spine of scapula, Acromion, Clavicle 1/3 Trapezius
-Triangle shaped/cap of Shoulder O:SAC (spine of scapula, acromion,calavicle1/3 I:Deltoid Tuberosity A: All: Abduct shoulder @g/h jt Ant: Flex, medially rotate, horizontally adduct Post: Extend, Laterally rotate, Horizontally abduct SHOULDER Deltoid
-Small, in armpit -Antagonist rotation of Humerus O: upper 2/3 lateral border of scapula I: Greater tuberacle of humerus A: LAS( laterally rotate shoulder, adduct shoulder, stabilize humerus. Teres Minor
-Deep to trapezius O:Infraspinous fossa of scapula I: Greater tubercle of humerus A: LAS( Laterally rotate shoulder,Adduct shoulder, stabalize head of humerus Infraspinatus
-Broadest muscle of back O:IRSTP(indferior angle of scapula, ribs9-12, SP T7-12, Thoroculumbar aponerousis, Posterior iliac crest I:Interbercular groove of humerus A: Extend, adduct, medially rotate shoulder Latissimus Dorsi
-Very Small O:Inferior angle and lower 1/3 lateral border of scapula I: Crest of lesser tubercle of humerus A:EAM(Extend, adduct, medially rotate shoulder) Teres Major
-Deep to trapezius -Superficial to erector spinae muscles O: SP T2-5 I:Medial border of scapula between the spne and scapula and inferior angle A: AED( Adduct, Elevate, Downward Roation of scapula Rhomboid Major
-Small above RM O: SP c7-T1 I: Upper portion-medial border of scapula, across from spine of scapula A:AED (Adduct, elevate, downward rotation of scapula) Rhomboid Minor
-Lateral side of neck O: TP C1-4 I Medial border of scapula between superior angle and superior portion of spine A: Uni- EDLR (elevate, downward rotate scapula; laterally flex h/n to same side, rotate h/n to same side Bi-Extend head and neck Levator Scapula
O: Supraspinous fossa of scapula I:Geater tuberacle of humerus A: Stabilize the head of the humerus in glenoid cavity (SCRATCH BACK) Supraspinatus
-Needs circulation -Deep anterior surface -Rub tummy O: Subscapular fossa of scapula I:Lesser tubercle of humerus A: MS (Medially rotate the shoulder, Stabilize the head of the humerus in glenoid cavity. Subscaularis
-Broad O: Medial 1/2 Clavicle, body of sternum, and cartilage of ribs 1-6 I:Crest of greater tubercle of humerus A: All- Adduct, medially rotate shoulder (assist to elevate thorax during forced inhalation) Upper: Flex, horizontally adduct shoulder Pectoralis Major
-Deep to PM and sensitive O:Ribs 3-5 I: Medial surface of coracoid process of scapula A: DAD (Depress, abduct, downward otation of scapula) Pectoralis Minor
-Pushups -Antagonist to Rhomboids O: External surface of upper 8-9 ribs I: Anterior surface of medial border of scapula A: AUDH (Abducts, upward rotate, depress, holds scapula Serratus Anterior
-Tucked between brachioradialis and flexors -Antagonist to biceps -Small supinator O:Common flexor tendon from medial epicondyle of humerus+ coronoid process of radius I:middle of radius A: Pronate forearm, assist to flex elbow Prontaor Teres
-Weak elbow extensor _superficial yet hard to isolate O: Lateral epicondyle of humerus I:Olecranon process +posterior, proximal surface of ulna A: Extend elbow Anconeus
-Hairy side -Lateral, Superficial, Hard to isolate Anatomical O: The common extensor tendon lateral epicondyle of humerus I:Base of metacarpals 2,3,+5 Base of phalanges 2-5 A: EAA (Extend, abduct,adduct the wrist Extensors of the wrist and fingers
-Bald side O: Medial epicondyle of humerus I:Bases of 2nd+3rd metacarpals -sides middle phalanges 2-5 -bases of distal phalanges 2-5 A:FAAAF( Flex, adduct,abduct asist,Flex(wrist, elbow, fingers) Flexors of the wrists and fingers
-Anything to do with the thumb -Period relief O:Capitate 2nd+3rd metacarpals I: Base of proximal phalax of thumb A: Adduct and assist to thumb Adductor Pollicis
-Back of hand feathers O: Adjacent sides of all metacarpals I: Base of proximal phalanx of the 2-4 fingers and extensor aponeurosis A: AAA (Abduct, Assist to flex and extend fingers 2-4 Dorsal Interossei
-Long head and short head O: Short head- coracoid process Long Head- supraglenoid tubercle of scapula I Tuberosity of radius and aponeurosis of bicep brachii A:FSF (flex elbow, supinate forearm, flex shoulder @ g/h joint Biceps Brachii
-Posterior arm -3 heads O: Long head: Infraglenoid tubercle of scapula Lateral Head: Posterior surface of proximal 1/2 humerus Medial head: same as lateral I: Olecranon process of ulna A: All heads: Extend elbow Long Head: Extend and adduct should Triceps Brachii
-Strong Elbow flexor -Makes biceps buldge O:Distal 1/2 of anterior surface of humerus I: Tuberosity and coronoid process of ulna A: Flex the elbow @ humeroulnar joint Brachialis
-Superficial on lateral side -Runs forearm but doesn't cross wrist O: Proximal 2/3 of lateral supracondylar ridge of humerus I: Styloid process of radius A: Flex elbow Brachioradialis
Created by: sweetnedpanic