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Section 1

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infraspinatus

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6 years ago

Date created

Mar 1, 2020

Cards (49)

Section 1

(49 cards)

infraspinatus

Front

O - medial 2/3 of infraspinous fossa I - greater tubercle (middle facet) A - ER, adduction of GH (also RTC muscle) N - suprascapular nerve

Back

posterior scalene

Front

O - posterior tubercles of transverse processes of C4-C6 I - 2nd rib A - elevate 2nd rib, ipsilateral side bending N - anterior rami of C7-C8

Back

middle scalene

Front

O - posterior tubercles of transverse processes of C2-C7 I - 1st rib A - ipsilateral SB and elevate 1st rib N - anterior rami of C3-C7

Back

adductor longus

Front

O - body of the pubis, inferior to the pubic crest I - distal aspect of medial lip of linea aspera A - adduction of hip, flex/IR hip N - obturator nerve

Back

pec minor

Front

O - anterior surface of ribs 3-5 & fascia of intercostal spaces I - coracoid process A - stabilize scap against thorax; accessory resp muscle; depression, downward rotation, & ABDuction of scap N - medial pectoral nerve

Back

rhomboid major

Front

O - spinous processes of T2-T5 I - medial scap (from spine to inferior angle) A - ADDuct/retract scap; elevate/downward rotation of scap N - dorsal scapular nerve

Back

middle trap

Front

O - inferior ligamentum nuchae, C7 spinous process & spinous processes of upper thoracic vertebrae I - medial acromion; crest of the spine of the scap (superior border) A - ADDuct and retract scap N - accessory nerve and C3/C4

Back

serratus anterior

Front

O - lateral (exterior) surface of upper 8-9 ribs I - anterior (costal) surface of medial border of scap A - (with fixed origin) protract/abduct scapulae, upwardly rotate scapula, depress scapula, hold scapula against thorax; (with fixed insertion), may help with forced inhalation (elevate the thorax) N - long thoracic nerve

Back

coracoid process

Front

Attachments for coracoclavicular ligaments (trapezoid and conoid), coracohumeral ligament, coracoacromial ligament, coracobrachialis muscle, pec minor muscle

Back

teres major

Front

O - lower 1/3 of lateral border of scap I - medial lip of the intertubecular sulcus; lesser tubercle of humerus A - IR, add, extens of GH N - lower subscapular nerve

Back

gastroc

Front

O - (medial) just superior to the medial femoral condyle; (lateral) lateral femoral condyle I - posterior calcaneus (achiles tendon) A- PF of ankle, flex knee N - tibial nerve

Back

brachialis

Front

O - distal half of the anterior humerus (medial & lateral) I - tuberosity and coronoid process of ulna A - flexion of elbow (all positions) N - musculocutaneous nerve

Back

tibialis posterior

Front

O - posterior interosseus membrane and posterior tibia and fibula I - navicular and medial cuneiform, plus lots of others A - inversion, plantar flexion, support medial arch N - tibial nerve

Back

tibialis anterior

Front

O - lateral tibial condyle, lateral surface of tibia I - base of the first met and the medial cuneiform A - inversion, DF of ankle, support of medial arch N - deep peroneal nerve

Back

Rhomboid minor

Front

O - C7 & T1 spinous processes, and lower end of ligamentum nuchae I - medial border of scap @ root of the spine A - ADDuction/retract scap; elevate and downward rotation of scap N - dorsal scapular nerve

Back

suboccipitals

Front

Rectus capitis posterior major: (C2 spinous process -- lateral part of inferior nuchal line) ((extension, ipsilateral rotation)) Rectus capitis posterior minor: (C1 posterior tubercle -- medial part of inferior nuchal line) ((extension)) Obliquus capitis superior: (C1 transverse process -- occiput between superior and inferior nuchal lines) ((extension, ipsilateral sidebending)) Obliquus capitis inferior: ( C2 spinous process -- C1 transverse process) ((ipsilateral rotaion))

Back

quadratus lumborum

Front

O - ileolumbar ligament; iliac crest (deep/internal) I - transverse processes of L1-L4; 12th rib A - ipsilateral pelvic tilt; ipsilateral trunk SB; fix rib 12 during forced inhalation/exhalation N - anterior rami of T12, L1-L4

Back

biceps femoris

Front

O - (long head) ischial tuberosity; (short head) distal lateral lip of linea aspera I - fibular head A - (all) flexion of knee, ER of knee; (long head) extension of hip, ER of hip, posterior pelvic tilt N - sciatic nerve: (long head = tibial; short head = fibular)

Back

levator scap

Front

O - transverse processes of C1-C4 @ posterior tubercles I - posterior surface of scap (between superior angle and root of spine of scap) A - extend head/neck; elevate scap, downwardly rotate scap; ipsilateral sidebending, ipsilateral rotation N - anterior rami of C3 and C4

Back

pec major

Front

O - (clavicular): anterior surface of medial 1/2 of clavicle; (sternocostal): anterior sternum and first 7 costal cartilages; aponeurosis of external oblique I - greater tubercle of humerus; lateral lip of intertubecular sulcus A - horizontal ADDuction, IR, as well as flexion of an extended shoulder & extension of a flexed shoudler I - medial and lateral pectoral nerves

Back

TFL

Front

O - ASIS & iliac crest just posterior to ASIS I - iliotibial tract of the fascia latae A - stabilization of knee when it is extended; ABDuction, flexion, IR of hip N - superior gluteal nerve

Back

triceps

Front

O - (long head) infraglenoid tubercle; (meDial) distal half of humerus (posterior surface); (lateral); proximal half of humerus (posterior surface) I - olecrenon on ulna A - extension of elbow; long head helps to extend and adduct GH N - radial nerve

Back

extensor policis longus

Front

O - posterior surface of the ulna and the interosseus membrane (distal to abductor policis longus) I - dorsal surface of the distal phalynx of the thumb A - extension of IP, MCP, CMC, weak radial deviation of wrist I - posterior interosseus nerve (radial)

Back

biceps brachii

Front

O - supraglenoid tubercle (long head); coracoid process (short head) I - radial tuberosity A - flexion of elbow, flex GH (long head); supination N - musculocutaneous nerve

Back

gluteus medius

Front

O - external iliac surface (between the anterior and posterior gluteal lines) (just below the iliac crest) I - greater trochanter A - abduction of hip, prevention of pelvic drop; (anterior) flexion/IR; (posterior) extens/ER N - superior gluteal nerve

Back

gracilis

Front

O - inferior pubic ramus I - medial tibia @ pes anserine A - adduct hip, flex knee, IR the flexed knee N - obturator nerve

Back

vastus medialis

Front

O - medial part of intertrochanteric line, medial lip of linea aspera I - tibial tuberosity (via patellar tendon) A - extend knee N - femoral nerve

Back

sartorius

Front

O - ASIS I - medial tibia (at the pes anserine tendon) A - flex hip, flex knee, IR a flexed knee, ABDuct and ER hip N - femoral nerve

Back

teres minor

Front

O - upper 2/3 of the lateral border of the scap I - greater tubercle (inferior facet) A - ER, adduction of GH (also RTC muscle) N - axillary nerve

Back

peroneus brevis

Front

O - distal 2/3 of fibula I - tuberosity at 5th met A - eversion, weak PF N - superficial fibular

Back

brachioradialis

Front

O - prox 2/3 of the lateral supracondylar ridge I - radial styloid process A - flexion for elbow (mid-pronation); assist with pronation/supination (weak) N - radial nerve

Back

intercostals (internal/external)

Front

O - rib above (inferior margin for external, costal groove for internal) I - rib below (superior margin) A - external = inspiration & moving ribs superiorly; internal = expiration & moving ribs inferiorly; both support intercostal space N - intercostal nerves (T1-T11)

Back

rectus abdominus

Front

O - pubic syphysis, pubic tubercle, and pubic crest I - costal cartilage of ribs 5-7; and xiphoid process A - flex trunk, posterior pelvic tilt, tension and compression of abdomen N - anterior rami of lower 7 spinal nerves

Back

lower trap

Front

O - spinous processes of lower thoracic vertebrae I - spine of the scap (medial) A - depress/upwardly rotate scap N - accessory nerve and C3/C4

Back

acromion

Front

RTC impingement (supraspinatus), subacromial bursitis

Back

deltoids

Front

O - (posterior) posterior spine of the scapula; (middle) lateral acromion; (anterior) anterior surface of lateral 1/3 of clavicle I - deltoid tuberosity A - (all) abduction; (posterior) extens, ER, horizontal ABD; (anterior) flex, IR, horizontal ADD N - axillary

Back

external obliques

Front

O - muscular slips from the outer surface of the lower 8 ribs I - lateral iliac crest, aponeurosis ending in linea alba A - ipsilateral SB, contralateral rotation, flexion of trunk, compression of abdominal contents N - anterior rami of lower 6 thoracic spinal nerves

Back

anterior scalene

Front

O - anterior tubercles of transverse processes of C3-C6 I - scalene tubercle and 1st rib A - elevate 1st rib and ipsilateral SB N - anterior rami of C4-C6

Back

lats

Front

O - T7-T12 spinous processes & related interspinous ligaments, (via thoracolumbar fascia): spinous processes of lumbar vertebrae, posterior iliac crest, last 3-4 ribs, inferior angle of scapula I - intertubecular sulcus (floor) A - IR, add, extens of GH N - thoracodorsal nerve

Back

piriformis

Front

O - anterior surface of the sacrum, between the foramina, and the sacrotuberous ligament I - greater trochanter A - ER of hip, ABDuction of a flexed hip N - nerve to piriformis

Back

subscapularis

Front

O - medial 2/3 of subascapular fossa I - lesser tubercle A - IR (RTC muscle) N - upper and lower subscap nerves

Back

SCM

Front

O - (sternal head) upper anterior manubrium; (clavicular head); medial 1/3 of clavicle (superior surface) I - lateral mastoid process; lateral 1/2 of superior nuchal line A - flexion of head/neck; contralateral rotation, ipsilateral side bending, assist with ribcage elevation during inhalation N - accessory nerve and C2/C3

Back

coracobrachialis

Front

O - corcaoid process I - medial midshaft of the humerus (linear roughening) A - flexion of GH, adduction of GH N - musculocutaneous

Back

upper trap

Front

O - external occipital protuberance, medial portion of the superior nuchal line, and the medial margin of ligamentam nuchae I - posterior surface of lateral 1/3 of clavicle A - extend head/neck; upwardly rotate and elevate scap; ipsilateral SB & contralateral rotation N - accessory nerve and C3/C4

Back

rectus femoris

Front

O - AIIS I - tibial tuberosity (via patellar tendon) A - flex hip, extend knee N - femoral nerve

Back

supraspinatus

Front

O - medial 2/3 of the suprascapular fossa I - greater tubercle of humerus (superior facet) A - abd of GH (RTC muscle) N - suprascapular nerve

Back

erector spinae group

Front

Back

peroneus longus

Front

O - proximal 2/3 of fibula, and fibular head I - base of the first metatarsal and medial cuneiform A - eversion, weak PF, support the arch N - superficial fibular nerve

Back

semitendinosus

Front

O - ischial tuberosity I - lateral tibia @ pes anserine A - flexion of knee, extension of hip, IR of flexed knee, posterior pelvic tilt, IR of hip N - sciatic nerve (tibial branch)

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