Anatomy Chart Quiz 1-PDF
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This document presents a quiz on muscle anatomy, specifically focusing on the back and pectoral regions. It details muscle names, origins, insertions, and actions. It appears to be a study aid or learning resource for a biology or anatomy class.
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Anatomy Chart Quiz 1- Muscles: Sub Back Presentation Name uscle M O (Origin) I (Insertion) In A (action) Group...
Anatomy Chart Quiz 1- Muscles: Sub Back Presentation Name uscle M O (Origin) I (Insertion) In A (action) Group (Innervatio n) Trapezius USCLES OF M xternal e pine of s pinal s pper fibers – u THE occipital scapula, distal accessory elevate the SHOULDER protuberance, clavicle, and nerve scapula, lower GIRDLE superior nuchal acromion fibers – line, depress, the xtrinsic Back E ligamentum scapula, middle Muscles nuchae, fibers – retract spinous process the scapula, C7-T12 upward rotation of the scapula Latissimus dorsi M USCLES OF iliac crest, intertubercular In: houlder s THE thoracolumbar roove of the g thoracodorsal extensor, SHOULDER fascia, lower humerus nerve, C6-C8 adductor, and GIRDLE thoracic and IR lumbar spinous xtrinsic Back E processes, Muscles lower 3-4 ribs, inferior angle of the scapula Rhomboids USCLES OF M pinous s edial border of d m orsal scapular scapular THE processes the scapula nerve, C5 r etraction, SHOULDER C7-T5 scapular GIRDLE downward rotation xtrinsic Back E Muscles evator L USCLES OF M osterior p uperior angle s orsal scapular d capular s Scapulae THE tubercles of the scapula nerve, C5 elevation, SHOULDER transverse scapular GIRDLE processes downward C1-C4 rotation xtrinsic Back E Muscles OTATOR R his is a group. T unction to F CUFF It has 4 increase the MUSCLES muscles: dynamic stability of the - Supraspinatus glenohumeral (posterior) joint - Infraspinatus (posterior) - Teres minor (posterior) - Subscapularis (anterior) Name uscle M O (Origin) I (Insertion) In A (action) Group (Innervatio n) Supraspinatus USCLES OF M : O I: superior facet In: : shoulder A THE supraspinous greater tubercle suprascapular abduction SHOULDER fossa of the humerus nerve, C5-C6 GIRDLE ote: if it has an N action in the otator Cuff R transverse Muscles plane, it would be ER Infraspinatus USCLES OF M : infraspinous O I: middle facet In: A: shoulder ER THE fossa greater tubercle suprascapular SHOULDER of the humerus nerve, C5-C6 ote: greater N GIRDLE tubercle a posterior otator Cuff R structure Muscles Teres Minor USCLES OF M : lateral border I: inferior facet O In: axillary A: shoulder ER THE of the scapula greater tubercle nerve, C5-C6 SHOULDER of the humerus GIRDLE otator Cuff R Muscles Subscapularis USCLES OF M : subscapular O I: lesser In: upper and : shoulder IR A THE fossa tubercle of the lower Note: this SHOULDER humerus subscapular muscle also GIRDLE nerves C5-C7 functions during overhead otator Cuff R elevation, Muscles largest X-sectional area of any RC muscle Deltoid USCLES OF M : spine of the O I: deltoid In: axillary : anterior A THE scapula, tuberosity of the nerve C5-C6 fibers – flex/IR SHOULDER acromion, humerus of the shoulder, GIRDLE clavicle middle fibers – AB, posterior Shoulder fibers – ext/ER, Muscles horizontal AB Teres Major USCLES OF M : inferior angle I: intertubercular In: lower O : shoulder A THE of the scapular groove of the subscapular extension, SHOULDER humerus nerve (C6-C8) adduction, and GIRDLE internal rotation houlder S Muscles Pec Region Presentation Name uscle M O (Origin) I (Insertion) In A (action) Group (Innervatio n) Pectoralis major M USCLES OF : clavicular O I: intertubercular In: medial and : clavicular A THE PEC head – anterior groove of the lateral pectoral fibers – REGION clavicle, humerus nerves, C6-C8 shoulder flex, sternocostal sternocostal head – CC and fibers – ribs 1-6, shoulder abdominal head extension, – external shoulder IR, oblique shoulder horz. ADD erratus S USCLES OF M : external O I: medial border In: long thoracic A : scapular Anterior THE PEC surfaces ribs of the scapula nerve, C5-C7 upward rotation, REGION 1-8 scapular protraction, stabilize medial border Pectoralis minor M USCLES OF O: ribs 3-5 I: coracoid In: medial : scapular A THE PEC process of pectoral nerves, downward REGION scapula C8-T1 rotation, assists scapular protraction Subclavius USCLES OF M O: rib 1 I: inferior In: nerve to : stabilize A THE PEC clavicle subclavius, lateral clavicle REGION C5-C6 Name uscle M O (Origin) I (Insertion) In A (action) Group (Innervatio n) pace S Nerve rtery A uperior S Inferior edial M ateral L Name and/or Border Border Border Border vein OR OR Anterior posterior Border border uadrangle Q Axillary nerve P osterior uperior: s Inferior: teres M edial: long ateral: L space circumflex subscapulari major head of the surgical neck humeral s (ant); teres triceps of the artery minor (post) humerus s Axilla ords of C xillary artery A A nterior: pec osterior: P edial: M ateral: L brachial and vein major, minor subscap, serratus intertubercula plexus latissimus, anterior r groove AND Long teres major thoracic Nerve
