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Muscles made easy

Bio 210 - Cypress

MuscleOriginInsertionAction
Fontailis Galea aponeurotica Skin of eyebrows Raise eyebrows, wrinkle forehead
Occipitalis Occipitqal & Temporal Galea aponeurotica Pull scalp posteriorly
Oricularis Oculi Frontal & Maxilla Tissues of eyelid Close eyes, blinking, squinting
Orbicularis Oris Maxilla & Mandible Muscle and skin at angles of mouth Close and purse lips
Zygomaticus Zygomatic Muscle and skin at corner of mouth Raise lateral corners of mouth
Buccinator Maxilla & Mandible Orbicularis Oris Compress cheek (whistle, suck through straw)
Risorius Masseter muscle Skin at angle of mouth Draws corner of lip laterally
Platysma Chest Muscles (which two?) Mandible;muscle and skin of mouth Tense neck, pull lower lip back and down
Masseter Zygomatic & Maxilla Mandible Elevate mandible (Close jaw; Masticate (chew) food)
Temporalis Temporal Mandible Elevate and retract mandible
Sternocleidomastoid Sternum & Clavicle Mastoid Process of Temporal Bone Contract both sides; Flesxion of head. Contract one side; rotate head to opposite shoulder
External Intercostals n/a n/a Elevate rib cage during inspiration
Internal Intercostals n/a n/a Depress rib cage during forced exhalation
Diaphragm n/a n/a Prime mover of inspirations
Pectoralis Major Clavicle Humerus Flex and adduct arm
Pectoralis Minor Ribs Scapula Draw scapula forward
Serratus Anterior Ribs Scapula Draw scapula forward
External Oblique Ribs 5-12 Linea Alba Compress abdomen, trunk rotation
Internal Oblique Illium, Lumber Fascia Linea Alba Compress abdomen, trunk rotation
Transversus Abdominis Illium, Ribs Linea Alba Compress abdomen
Rectus Abdominis Pubis Xiphoid, Costal cartilage of ribs 5-7 Flex vertebral column - sit-ups
Trapezius Occipital & C7-T12 Scapula & Clavicle Elevate and retract scapula
Deltoid Clavicle & Scapula Humerus Abduct arm
Latissimus Dorsi T7-12, L1-5, Ribs, Illium Humerus Extend and adduct arm
Teres Major Scapula Humerus Extend and adduct arm
Teres Minor Scapula Humerus Lateral rotation
Supraspinatus Scapula Humerus Abduct arm
Infraspinatus Scapula Humerus Lateral rotation of arm
Subscapularis Scapula Humerus Medial rotation of arm
Coracobrachialis Scapulae Humerus Adduction and flexsion
Biceps Brachii Scapula & Humerus Radius Flex forearm
Brachialis Humerus Ulna Flex forearm
Brachioradialis Humerus Radius Flex forearm
Triceps Brachii Scapula & Humerus Ulna Extend forearm
Flexor Caqrpi Radialis Humerus Wrist Flex wrist
Palmaris Longus Humerus Palm Flex wrist
Flexor Carpi Ulnaris Humerus Wrist Flex wrist
Flexor P)ollicis Longus Radius Pollex Flex thumb
Extensor Carpi Radialis Longus Humerus Wrist Extend wrist
Extensor Carpi Radiallis Brevis Humerus Wrist Extend wrist
Extensor Digitorum Humerus Distal Phalanges 2-5 Extend wrist & fingers
Extensor Carpi Ulnaris Humerus Wrist Extend wrist
Extensor Pollicis Brevis Radius & Ulna Pollex (distal phalanx) Extend thumb
Extensor Pollicis Longus Radius & Ulna Pollex (distal phalanx) Extend thumb
Gluteus Maximus Illium, Sacrum, Coccyx Femur Extend thigh
Gluteus Medius Illium Femur Abduct and medially rotate thigh
Iliopsoas Illium, Sacrum Femur Flex thigh
Pectinius Pubis Femur Adduct, flex and medially rotate thigh
Sartorius Illium Tibia Flex and laterally rotate thigh
Gracilis Pubis Tibia Adduct and flex thigh
Tensor Fasciae Latae Ilium Iliotibial tract Flex aqnd abduct thigh
Adductor Longus Pubis Femur Adduct, flex and medially rotate thigh
Adductor Magnus Ischium & Pubis Femur Adduct, flex and medially rotate thigh
Rectus Femoris Ilium Tibia & Patella Extend knee and flex thigh
Vastus Lateralis Femur Tibia & Patella Extend knee
Vastus Medialis Femur Tibia & Patella Extend knee
Vastus Intermedius Femur Tibia & Patella Extend knee
Biceps Femoris Ischium & Femus Tibia Extend thigh and flex knee
Semitendinosus Ischium Tibia Extend thigh and flex knee
Semimembranosus Ischium Tibia Extend thigh and flex knee
Tibialis Anterior Tibia 1st Metatarsal Dorsiflexion
Extensor Hallucis Longus Fibula Distal Phalanx of Hallux Extend hallux, dorsiflexion
Extensor Digitorum Longus Tibia & Fibula Distal Phalanges 2-5 Extend toes 2-5
Fibularis Longus Fibula 1st Metatarsal Plantar flexion, evert foot
Fibularis Brevis Fibula 5th Metatarsal Plantar flexion, evert foot
Fibularis Tertius Fibula 5th Metatarsal Dorsiflexion, evert foot
Gastrocnemius Femur Calcaneus Plantar flexion
Soleus Femur & Tibia Calcaneus Plantar flexion
Plantaris Femur Calcaneus Plantar flexion (fig 15.15a pg 165)
Flexor Hallicis Longus Fibula Distal Phalanx of Hallux Flex hallux
Flexor Digitorum Longus Tibia Distal Phalanges 2-5 Flex digits 2-5
Tibialis Posterior Fibia & Fibula Tarsals/metatarsals Plantar flexion, foot inversion
Created by: missesdo on 2005-10-05



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