Presentation top top theme: " Origin: the immovable finish of the muscle; attached to a reasonably immovable bone  Insertion: the end of the muscle attached come a movable bone  **When."— Presentation transcript:




You are watching: The immovable end of a muscle is the

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2  Origin: the immovable end of the muscle; attached come a reasonably immovable bone  Insertion: the finish of the muscle attached come a movable bone  **When a muscle contracts, the insertion is pulled towards its origin.

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4  prime mover (agonist): the muscle that provides most the the movement in an action  Synergists (antagonists): the muscles around the element mover that aid it in an activity

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5 element Mover Synergist

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6  Latin and Greek root  qualities Used to name Muscles  1) direction of their fibers  2) size  3) location  4) which bones they connect to  5) role  **The names of muscles frequently contain combine of every of the above.

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7  identified in relationship to the midline that the human body  Rectus: (Latin for “straight”)  Parallel to the midline  Ex: rectus femoris and rectus abdominis  Oblique: at an edge to the midline  Ex: internal and external obliques that the thorax

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8  Longus: lengthy  Brevis: brief  Maximus: biggest or biggest  Major: bigger  Vastus: vast  Minimus: the very least or the smallest  Minor: smaller sized

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9  Oris: mouth Digitorum: finger or toe  Oculi: eye Pollicis: ignorance  Palmaris: palm of the hand Costals: rib  Abdominus: abdomen  Brachii: eight Hallicus: good toe  Femoris: thigh Carpi: wrist  Tibialis: shin bone Spinalis: spine  Peroneus: fibula Scapularis: shoulder tongue

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10  Spinalis thoracis  Biceps brachii  Rectus femoris  Adductor pollicis longus

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11  Orbicularis oculi  outside intercostals  Tibialis anterior  Peroneus longus

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12  numerous muscles are named as a result of their association through a details bone.  The temporalis muscle is uncovered covering the temporal bone.  The frontalis muscle is discovered covering the frontal bone the the skull.

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13  some muscles are called for their origin and insertion.  The an initial part of the muscle name shows the origin, if the second component of the name indicates the insertion.  Ex: sternocleidomastoid = sterno (breastbone) and also cleido (clavicle) insertion; mastoid (breast shaped) process on the skull

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15  some muscles have multiple origins.  This number will frequently be supplied in the name.  Ex: biceps brachii and triceps brachii  Bi is Latin for two  Tri is Latin for three  Ceps describes the head  so the biceps brachii has two heads that connect to two various origins.

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16 In addition to having actually the surname of the bone in the muscle name, the place in relationship to the bone or body component may it is in in the muscle name.

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17  Supra: above or end  Infra: listed below or in ~  Sub: below or under  Lateralis: the side  Medialis: the center  Inter: in between or amongst  External: outer  Internal: within

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18  Superior: over or over  Inferior: under  Dorsi: the back  Anterior: in front of  Ex: supraspinatus, infraspinatus, subscapularis, vastus lateralis, vastus medialis, intercostals, outside internal obliques, superior and inferior rectus that the eye

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19  beforehand anatomists often named muscles after the forms they resembled.  Deltoid: delta = triangle; oid = like  Trapezius: trapez = table  Serratus: witnessed  Teres: ring  Orbicularis: orbi = circle, cul = tiny  Latissimus: lat = broad/wide, simus = choose

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20  Deltoid ==  Serratus ==

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21  Orbicularis: orbi = circle, cul = little  =

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22  What would certainly the complying with muscles look at like and where would certainly they it is in found?  Latissimus dorsi  Orbicularis oculi  Orbicularis oris

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23  flexion : flex = bend (decreases the angle at a joint) extension : ex = out; ten = stretch (increases the edge at a joint) adduction: advertisement = toward; duct = command (pulls the limb towards the midline) kidnapping : ab = far from; duct = command (pulls the limb away from the midline) pronation: pron = bent front (turning the palm downward) supination: supin = lied on the ago (turning the palm upward)

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24 EX) Flexor carpi radialis is a muscle that the human being forearm the acts to flex and (radial) abduct the hand.

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EX) Extensor digitorum is a muscle the extends the medial 4 digits the the hand.

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