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Anatomy Human Muscle

muscles!!!!!!!!!!!!!!

QuestionAnswer
Sternocleidomastoid (O,I,A,N) O: manubrium of sternum and medial portion of clavicle I: mastoid process of temporal bone A: Bi(cervical flexion) u(rotates head towards shoulder on opposite side with face tilted upward) N: accessory nerve
Transeversus Abdominis (A,N) A: compresses abdominal contents N: intercostal nerves (T7-12), L1
Internal Intercostals (A,N) A: aid in force expiration N: intercostal nerves
Scalenes (A,N) A: elevates ribs 1,2, flex and rotate neck N: cervical spinal nerves
Erector Spinae (A,N) A: extends vertebral column N: spinal nerves
Diaphragm (A,N) A: prime mover of inspiration N: phrenic nerve
Rectus Abdominis (O,I,A,N) O: pubic crest and symphysis I: xiphoid process and costal cartilage of ribs 5-7 A: flex and rotate lumbar spine, stabilizes pelvis during walking N: intercostal nerves (T6, T7-12)
Temporalis (O,I,A,N) O: temporal fossa I: coronoid process of mandible A: elevates and retracts mandible N: trigeminal nerve
Platysma (A,N) A: tenses skin of neck, depresses mandible N: facial nerve
Risorius (A,N) A: draws corners of lips laterally N: facial nerve
Semispinalis (A,N) A: extends vertebral column, rotates to opposite side N: spinal nerves
Serrateus Anterior (A,N) A: protracts shoulder girdle N: long thoracic nerve
Pectoralis Minor (A,N) A: draws rib cage superiorly N: medial and lateral pectoral nerves
Zygomaticus (minor, major) (A,N) A: smiling N: facial nerve
Mentalis (A,N) A: protrudes lower lip, wrinkles chin N: facial nerve
Orbicularis Oris (A,N) A: pursues and protrudes lips N: facial nerve
Occipital Belly (occipitalis) (O,I,A,N) O: occipital and temporal bones I: galea aponeurotica A: pulls scalp posteriorly N: facial nerve
Buccinator (A,N) A: draws corners of lips laterally, holds food between teeth during chewing N: facial nerve
Masseter (O,I,A,N) O: zygomatic arch and maxilla I: angle and ramus of mandible A: prime mover of jaw closure, elevates mandible N: trigeminal nerve
Orbicularis Oculi (A,N) A: blinking, squinting N: facial nerve
Frontal Belly (Frontalis) (O,I,A,N) O: galea aponeurotica I: skin of eyebrows, root of nose A: raises eyebrows, wrinkles forehead skin horizontally N: facial nerve
Subclavius (A) A: stabilize and depress pectoral girdle
Quadratus Lumborum (A,N) A: uni (lateral flexion) bi (extension of lumbar spine - forced inspiration) N: T12 and upper lumbar nerves
External Oblique (A,N) A: bi- trunk flexion, rotation, lateral flexion N: intercostal nerves (T7-12)
Internal Oblique (A,N) A: bi- trunk flexion, rotation, lateral flexion N: intercostal nerves (T7-12), L1
External Intercostals (A,N) A: aid in inspiration N: intercostal nerves
Pectoralis Major (O,I,A,N) O: clavicle, sternum, cartilage of ribs 1-7, external oblique I: greater tubercle of humerus A: prime mover of shoulder flex, med rot, add N: lateral and medial pectoral nerves
Subscapularis (O,I,A,N) O: subscapular fossa of scapula I: lesser tubercle of humerus A: shoulder med rot N: subscapular nerves
Teres Minor (O,I,A,N) O: lateral border of dorsal scapular surface I: greater tubercle of humerus inferior to infraspinatus A: lat rot of shoulder N: axillary nerve
Infraspinatus (O,I,A,N) O: infraspinous fossa I: greater tubercle of humerus posterior to insertion of supraspinatus A: shoulder lat rot N: suprascapular nerve
Levator Scapulae (O,I,A,N) O: transverse process of C1-C4 I: medial border of scapula A: elevates, adducts scapula N: cervical spinal nerves, dorsal scapular nerve
Trapezius (A,N) A: shrug (elevate) shoulders and extend head N: accessory nerve
Rhomboids (O,I,A,N) O: spinous process of C7-T5 I: medial border of scapula A: retraction of scapula (squaring shoulders) N: dorsal scapular nerve
Supraspinatus (O,I,A,N) O: supraspinous fossa I: superior part of greater tubercle of humerus A: prevents inferior dislocation of humerus N: suprascapular nerve
Latissimus Dorsi (O,I,A,N) O: lumbodorsal fascia into T6-L5, lower 4 ribs, iliac crest I: intertubercular sulcus of humerus A: prime mover of shoulder ext, add, med rot N: thoracodorsal nerve
Deltoid (I,A,N) I: deltoid tuberosity A: prime mover of shoulder add (fibers), flex, ext, med and lat rot N: axillary nerve
Teres Major (O,I,A,N) O: posterior of inferior angle of scapula I: intertubercular sulcus of humerus A: ext, med rot, add of shoulder N: lower subscapular nerve
Anconeus (A,N) A: elbow ext N: radial nerve
Triceps brachii (I,A,N) I: olecranon process A: elbow ext N: radial nerve
Brachialis (I,A,N) I: coronoid process of ulna A: elbow flex N: musculocutaneous nerve
Biceps brachii (I,A,N) I: radial tuberosity A: elbow flex, forearm supination N: musculocutaneous nerve
Coracobrachialis (O,I,A,N) O: coracoid process of scapula I: medial surface of humerus shaft A: shoulder flex, add N: musculocutaneous nerve
Brachioradialis (O,I,A,N) O: lateral supracondylar ridge of distal humerus I: styloid process of radius A: elbow flexion N: radial nerve
Pronator Teres (A,N) A: pronates forearm N: median nerve
Flexor Carpi Radialis (A,N) A: wrist flex, abd N: median nerve
Palmaris Longus (A,N) A: wrist flex N: median nerve
Flexor Carpi Ulnaris (A,N) A: wrist flex, add N: ulnar nerve
Flexor Digitorum Superficialis (A,N) A: flex wrist, fingers 2-5 N: median nerve
Flexor pollicis longus (A,N) A: flexes thumb N: median nerve
Flexor digitorum profundus (A,N) A: flexes wrist, all fingers N: ulnar, median nerves
Pronator Quadratus (A,N) A: prime mover forearm pronation N: median nerve
Extensor Carpi Radialis Longus (A,N) A: extends wrist, adb N: radial nerve
Extensor Carpi Radialis Brevis (A,N) A: extends wrist, abd N: radial nerve
Extensor Digitorum (A,N) A: prime mover ext fingers, wrist N: radial nerve
Extensor Carpi Ulnaris (A,N) A: extends wrist, add N: posterior interosseous nerve
Supinator (A,N) A: supinates forearm N: posterior interosseous nerve
Adductor Pollicis Longus (A,N) A: abd, extends thumb, abd wrist N: posterior interosseous nerve
Extensor Pollicis Longus, Brevis (A,N) A: extends thumb N: posterior interosseous nerve
Extensor Indicis (A,N) A: ext index figer, wrist N: posterior interosseous nerve
Iliposoas: Iliacus (A,N) A: flexion of thigh or trunk N: femoral nerve
Ilipsoas: Psoas Major (A,N) A: bi(flex thigh trunk), uni(lat flex vertebral column) N: ventral rami
Sartorius (O,I,A,N) O: anterior superior iliac spine I: medial proximal tibia A: flex, abd, lat rot thigh; knee flex N: femoral nerve
Adductor Magnus (A,N) A: add, med rot, ext hip N: obturator nerve
Adductor Longus (O,I,A,N) O: pubis I:linea aspera A: add, flex, lat rot hip N: obturator nerve
Adductor Brevis (A,N) A: add, med rot hip N: obturator nerve
Pectineus (A,N) A: add, flex, med rot thigh N: femoral, obturator nerve
Gracilis (A,N) A: add, flex, med rot hip N: obturator nerve
Rectus Femoris (O,I,A,N) O: anterior inferior iliac spine I: tibial tuberosity A: extends knee, flex hip N: femoral nerve
Vastus Lateralis (O,I,A,N) O: intertrochanteric line I: tibial tuberosity A: extends knee N: femoral nerve
Vastus Medialis (O,I,A,N) O: intertrochanteric line I: tibial tuberosity A: extends knee N: femoral nerve
Vastus Intermedius (O,I,A,N) O: anterior proximal shaft of femur I: tibial tuberosity A: extends knee N: femoral nerve
Tensor Fascia Latae (O,I,A,N) O: iliac crest, anterior superior iliac spine (ASIS) I: iliotibial tract A: flex, abd hip N: superior gluteal nerve
Glueteus Maximus (O,I,A,N) O: dorsal ilium, sacrum, coccyx I; gluteal tuberosity, iliotibial tract A: ext, lat rot, abd hip N: inferior gluteal nerve
Glueteus Medius (A,N) A: adb, med rot hip N: superior gluteal nerve
Gluteus Minimus (A,N) A: abd, med rot hip N: superior gluteal nerve
Piriformis (A) A: lat rot hip when extended
Obturator Externus (A) A: lat rot hip when extended
Obturator Internus (A) A: lat rot hip when extended
Superior, inferior Gemellus (A) A: lat rot hip when extended
Biceps Femoris (O,I,A,N) O: ischial tuberosity I: lateral condyle of tibia A: ext, lat rot hip; flex knee N: sciatic nerve
Semitendinosus (O,I,A,N) O: ischial tuberosity I: medial proximal tibia A: ext, med rot hip; flex knee N: sciatic nerve
Semimembranosus (O,I,A,N) O: ischial tuberosity I: medial condyle of tibia A: ext, med rot hip; flex knee N: sciatic nerve
Tibialis Anterior (A,N) A: dorsi flexion, inversion N: deep fibular nerve
Extensor Digitorum Longus (A,N) A: extend toes, dorsiflex N: deep fibular nerve
Extensor Hallucis Longus (A,N) A: ext great toe, dorsiflex N: deep fibular nerve
Gastrocnemius (O,I,A,N) O: medial, lateral condyles of femur I: posterior calcaneus A: plantar flex, knee flex N: tibial nerve
Soleus (O,I,A,N) O: superior tibia I: posterior calcaneus A: plantar flexion N: tibial nerve
Flexor Digitorum Longus (A,N) A: plantar flex; inverts, flex toes N: tibial nerve
Flexor Hallucis Longus (A,N) A: plantar flex; inverts, flex toes N: tibial nerve
Tibial Posterior (A,N) A: plantar flex, inverts N: tibial nerve
Created by: toogud