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Stack #129088

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Muscle
action
origin
insertion
innervation
Trapezius   elevate shoulders, retract shoulder, depress shoulder, extend neck   nuchal line, nuchal ligament, c7-t12   scapula, acromium, clavicle   accessory nerve  
🗑
Levator Scapulae   elevate scapula   Transverse processes of c1-c4   superior part of medial scapula   dorsal scapular nerve  
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supraspinatus   1st 30 degrees of abduction of humerus   supraspinous fossa   greater tubercle of humerus   suprascapular nerve  
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Infraspinatus   lateral rotation of humerus   infraspinous fossa   greater tubercle of humerus   suprascapular nerve  
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Teres major   medial rotate humerous, extend and adduct   inferior border of scapula   intertubucular sulcus of humerus   subscapular nerve  
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teres minor   lateral rotate shoulder   lateral border of scapula   greater tubercle of humerus   axillary nerve  
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subscapularis   medial rotate shoulder   subscapular fossa   lesser tubercle   subscapular nerve  
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Rhomboidus Major   retratcs scapula   t2-t5   medial border of scapula   dorsal scapular nerve  
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Rhomboid minor   retract scapula   nuchal ligament & C7-T1   medial border of scapula   dorsal scapular nerve  
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Sartorius   flex hip,lateral rotate, flex knee   ASIS   medial side of superior tibia, near tibial tuberosity   femoral nerve  
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Rectus Femoris   flex hip & extend knee   AIIS   Tibial tuberosity via patellar tendon   femoral  
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vastus lateralis   extend knee (leg)   greater trochanter of femur   tibial tuberosity   femoral  
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Vastus intermedius   extend knee (leg)   Shaft of femur   tibial tuberosity   femoral  
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Vastus medialis   extend knee (leg)   medial lip of linea aspera   tibial tuberosity   femoral  
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Gluteus Minimus   abduct & medial rotate thigh   Ilium   Greater trochanter of Femur   superior Gluteal nerve  
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Gluteus Medius   Abduct & medially Rotate thigh   illium   Greater Trochanter of Femur   Superior Gluteal Nerve  
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Gluteus Maximus   Extend & Laterally rotate thigh   Illiac Crest, Sacrum & Coccyx   IT Band & Gluteal Tuberosity   Inferior Gluteal nerve  
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Anconeus   Extends Forearm at Elbow   Lateral Epicondyle of Humerus   Olecranon & Superior Ulna   Radial nerve  
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Triceps Brachii   extend forearm @ elbow, Extend arm @ Shoulder   Inferior glenoid tubercle - LH, Lateral & Posterior surface of Humerus - Lat Head, Posterior surface inferior to radial groove - Medial Head   Olecranon of Ulna   Radial Nerve  
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Coracobrachialis   Flex & Adduct arm @ Shoulder   coracoid process of scapula   medinal shaft of humerus   musculocutaneus nerve  
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brachialis   flex forearm @ elbow joint   distal anterior surface of humerus   ulnar tuberosity & coranoid process of ulna   musculocutaneus & radial  
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Biceps Brachii   flex forearm & flex arm @ shoulder   LH - Supraglenoid tubercle, SH - coracoid process of scapula   radial tuberosity & bicepital aponeurosis   musculocutaneous nerve  
🗑
deltoid   flex & medial rotate shoulder, abduct shoulder, extend & lateral rotate shoulder   clavicle, acromium, scapula   deltoid tuberosity   axillary nerve  
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Flexor Digitorum Brevis   Flex toes 2-5   Calcaneus & Plantar Aponeurosis   Middle Phalanx of 2-5 toes   Medial Plantar  
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Flexor Digitorum Longus   Plantar Flex foot, flex toes   Posterior surface of tibia   behind medial malleolus into distal phalanx of toes 2-5   Tibial  
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Extensor Digitorum Brevis   Extend toes 1-4   Calcaneus   Tendon of Dxtensor Digitorum Longus & Proximal Great toe   Deep fibular (Peroneal)  
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Extensor Digitorum Longus   Dorsaflex foot & extend toes   Lateral Condyle of Tibia, Anterior Fibula & IO membrane   Mid & Distal Phalanx of 2-5 toes on dorsal side   Deep Fibular (peroneal)  
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Tibialis Posterior   Plantarflex and invert foor   Tibia, fibula & IO Membrane   2nd, 3rd, 4th, metatarsals, 3 cuneforms & cuboid, navicular   Tibial  
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Buccinator   Purse lips, pull back lips, aid in chewing   Alveolar Processes of Maxilla & mandible, pteragomandibular raphne   orbicularis Oris (round mouth)   Facial nerve  
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Temporalis   Elevate & retract mandible   Temporal Bone   Coraniod process and ramus of mandible   Mandibular Trigeminal  
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Masseter   Chewing (Elevates Mandible)   Maxilla & zygomatic arch   Angle and ramus of mandible   Mandibular Trigeminal  
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Palmaris Longus   Flex wrist   Medial Epicondyle of Humerus   Flexor Retinaculum & Palmar aponeurosis   Median  
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Supinator   Supinates forearm   Lateral Epicondyle of Humerus & Supinator Crest of Ulna   Lateral surface of proximal 1/3 of radius   deep radial nerve  
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Brachioradialis   Flex forearm, pronate & Supinate   Supracondylar ridge of humerus   distal radius   radial  
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Flexor carpi radialis   flex wrist,abduct (radial deviation)   Medial Epicondyle of Humerus   Base of 2nd Metacarpal   Median  
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Flexor Carpi Ulnaris   Flex Wrist, Ulnar Devialtion (Adduct)   Medial Epicondyle of Humerus   Pisiform, hook of Hamate & 5th Metacarpal   Ulnar Nerve  
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Pronator Quadratus   Pronate wrist   Distal Ulna   Distal Radius   Median Nerve  
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Pronator Teres   Pronate Wrist, flex forearm @ elbow   Medial Epicondyle of Humerus & coranoid Process of Ulna   Mid/lateral surface of radius   Median  
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Spinalis Capitis   extend vertebral column   Transverse Process of c7-t7   occipital bone   cervical & thoracic spinal  
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Frontalis   furrow brow & pull eyebrows   Epicranial aponeurosis   Skin superior to supraorbital margin   facial  
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Buccinator   pulls back lips, press cheeks against lips, aids in chewing, whistle and blow muscle   Alveolar processes of maxilla and mandible   orbicularis oris   facial  
🗑
occipitalis   pulls up eyebrows   occipital bone   mastoid process of temporal bone   facial  
🗑
Temporalis   elevate mandible/retract mandible   temporal bone   coranoid process & ramus of mandible   trigeminal  
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masseter   elevates mandible   maxilla & zygomatic arch   angle & ramus of mandible   trigeminal  
🗑
fibularis (peroneus) longus   plantar flex & evert foot   head & body of fibula/lateral condyle of tibia   1st metatarsal & 1st cuneform (on plantar side)   superficial fibular nerve  
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fibularis (peroneus) brevis   plantar flex & evert foot   body of fiblua   base of 5th metatarsal   superficial fibular  
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fibularis tertius   dorsaflex & evert foot   distal 1/3 of fibula & I.O. membrane   base of 5th metatarsal   deep fibular  
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Tibialis anterior   dorsaflex & invert   lateral condyle & body of tibia/ I.O. membrane   1st metatarsal & 1st cuneform (on dorsal side)   deep fibular  
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Popliteus   unlocks knee & flexes   lateral condyle of femur   proximal tibia   tibial  
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Psoas Major   flex thigh @ hip, lateral rotation, flex trunk   Transverse processes of last 4 lumbar vertebrae   lesser trochanter of femur   lumbar spinal nerves  
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Piriformis   lateral rotation of hip & ABduct thigh   anterior sacrum   greater trochanter of femur   sacral spinal nerves (S1/S2)  
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Obturator externus   lateral rotate hip   Obturator membrane & Ischial pubic ramus   greater trochanter   nerve to obterator  
🗑
Quadratus femoris   lateral rotate hip   ischial tuberosity   intertrochanteric crest on femur   quadratus femoris nerve  
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Obterator internus   lateral rotate hip   obterator membrane & obterator foramen   greater trochanter of femur   nerve to obterator L5, S1  
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Latissimus dorsi   extend, adduct & medially rotate humerus   spines of inferior 6 thoracic vertebrae, lumbar vertebrae, sacrum illium & inferior 4 ribs   intertubercular sulcus of humerus   thoracodorsal nerve  
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Diaphragm   inhalation & exhalation   xiphoid, costal cartilage, lumbar vertebrae, intervertebral discs, $ 12th rib   central tendon   phrenic nerve (axons of cervical nerves)  
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Subclavius   stabilize pectoral girdle, depress clavicle, move calvicle anterior   1st rib   clavicle   subclavian  
🗑
Pec minor   abducts scapula & rotate downward, elevate ribs during forced inhalation   coracoid process of scapula   3rd, 4th, 5th ribs   medial pectoral nerve  
🗑


   

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