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muscle Review

Stack #129088

Muscleactionorigininsertioninnervation
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
supraspinatus 1st 30 degrees of abduction of humerus supraspinous fossa greater tubercle of humerus suprascapular nerve
Infraspinatus lateral rotation of humerus infraspinous fossa greater tubercle of humerus suprascapular nerve
Teres major medial rotate humerous, extend and adduct inferior border of scapula intertubucular sulcus of humerus subscapular nerve
teres minor lateral rotate shoulder lateral border of scapula greater tubercle of humerus axillary nerve
subscapularis medial rotate shoulder subscapular fossa lesser tubercle subscapular nerve
Rhomboidus Major retratcs scapula t2-t5 medial border of scapula dorsal scapular nerve
Rhomboid minor retract scapula nuchal ligament & C7-T1 medial border of scapula dorsal scapular nerve
Sartorius flex hip,lateral rotate, flex knee ASIS medial side of superior tibia, near tibial tuberosity femoral nerve
Rectus Femoris flex hip & extend knee AIIS Tibial tuberosity via patellar tendon femoral
vastus lateralis extend knee (leg) greater trochanter of femur tibial tuberosity femoral
Vastus intermedius extend knee (leg) Shaft of femur tibial tuberosity femoral
Vastus medialis extend knee (leg) medial lip of linea aspera tibial tuberosity femoral
Gluteus Minimus abduct & medial rotate thigh Ilium Greater trochanter of Femur superior Gluteal nerve
Gluteus Medius Abduct & medially Rotate thigh illium Greater Trochanter of Femur Superior Gluteal Nerve
Gluteus Maximus Extend & Laterally rotate thigh Illiac Crest, Sacrum & Coccyx IT Band & Gluteal Tuberosity Inferior Gluteal nerve
Anconeus Extends Forearm at Elbow Lateral Epicondyle of Humerus Olecranon & Superior Ulna Radial nerve
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
Coracobrachialis Flex & Adduct arm @ Shoulder coracoid process of scapula medinal shaft of humerus musculocutaneus nerve
brachialis flex forearm @ elbow joint distal anterior surface of humerus ulnar tuberosity & coranoid process of ulna musculocutaneus & radial
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
Flexor Digitorum Brevis Flex toes 2-5 Calcaneus & Plantar Aponeurosis Middle Phalanx of 2-5 toes Medial Plantar
Flexor Digitorum Longus Plantar Flex foot, flex toes Posterior surface of tibia behind medial malleolus into distal phalanx of toes 2-5 Tibial
Extensor Digitorum Brevis Extend toes 1-4 Calcaneus Tendon of Dxtensor Digitorum Longus & Proximal Great toe Deep fibular (Peroneal)
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)
Tibialis Posterior Plantarflex and invert foor Tibia, fibula & IO Membrane 2nd, 3rd, 4th, metatarsals, 3 cuneforms & cuboid, navicular Tibial
Buccinator Purse lips, pull back lips, aid in chewing Alveolar Processes of Maxilla & mandible, pteragomandibular raphne orbicularis Oris (round mouth) Facial nerve
Temporalis Elevate & retract mandible Temporal Bone Coraniod process and ramus of mandible Mandibular Trigeminal
Masseter Chewing (Elevates Mandible) Maxilla & zygomatic arch Angle and ramus of mandible Mandibular Trigeminal
Palmaris Longus Flex wrist Medial Epicondyle of Humerus Flexor Retinaculum & Palmar aponeurosis Median
Supinator Supinates forearm Lateral Epicondyle of Humerus & Supinator Crest of Ulna Lateral surface of proximal 1/3 of radius deep radial nerve
Brachioradialis Flex forearm, pronate & Supinate Supracondylar ridge of humerus distal radius radial
Flexor carpi radialis flex wrist,abduct (radial deviation) Medial Epicondyle of Humerus Base of 2nd Metacarpal Median
Flexor Carpi Ulnaris Flex Wrist, Ulnar Devialtion (Adduct) Medial Epicondyle of Humerus Pisiform, hook of Hamate & 5th Metacarpal Ulnar Nerve
Pronator Quadratus Pronate wrist Distal Ulna Distal Radius Median Nerve
Pronator Teres Pronate Wrist, flex forearm @ elbow Medial Epicondyle of Humerus & coranoid Process of Ulna Mid/lateral surface of radius Median
Spinalis Capitis extend vertebral column Transverse Process of c7-t7 occipital bone cervical & thoracic spinal
Frontalis furrow brow & pull eyebrows Epicranial aponeurosis Skin superior to supraorbital margin facial
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
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
fibularis (peroneus) brevis plantar flex & evert foot body of fiblua base of 5th metatarsal superficial fibular
fibularis tertius dorsaflex & evert foot distal 1/3 of fibula & I.O. membrane base of 5th metatarsal deep fibular
Tibialis anterior dorsaflex & invert lateral condyle & body of tibia/ I.O. membrane 1st metatarsal & 1st cuneform (on dorsal side) deep fibular
Popliteus unlocks knee & flexes lateral condyle of femur proximal tibia tibial
Psoas Major flex thigh @ hip, lateral rotation, flex trunk Transverse processes of last 4 lumbar vertebrae lesser trochanter of femur lumbar spinal nerves
Piriformis lateral rotation of hip & ABduct thigh anterior sacrum greater trochanter of femur sacral spinal nerves (S1/S2)
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
Obterator internus lateral rotate hip obterator membrane & obterator foramen greater trochanter of femur nerve to obterator L5, S1
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
Diaphragm inhalation & exhalation xiphoid, costal cartilage, lumbar vertebrae, intervertebral discs, $ 12th rib central tendon phrenic nerve (axons of cervical nerves)
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
Created by: goodbunn
 

 



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