Muscle Test
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| The organ system necessary for movement. | Skeletal,Nervous,Respiratory,
Circulatory Systems
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| Is moved by muscle, provides framework | Skeletal System
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| Sends electrical impulses to move muscles | Nervous System
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| Provides Oxygen aka exchanges | Respiratory System
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| Carries oxygen to muscle and takes away carbon dioxide aka Transports | Ciculatory System
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| The Functions of the muscular system are to: | Move the skeleton
Produce Heat
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| None moveable part, proximal attachment aka stationary, stable | Origin of Muscle
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| Movable part, distal attachment | Insertion of Muscle
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| Has to relax to the opposing, let prime movers do movement | Antagonistic
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| Prime Mover | Agonistic
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| Are those with the same function, or those who work together to perform a particular function | Synergistic Muscles
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| Prime mover and Agonist are the | Same
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| The state of slight contraction presented in healthy muscles; regulated by the cerebellum | Muscle Tone
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| Muscle tone is regulated by the | cerebellum
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| Muscles contract and bring about movement | Isotonic exercise
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| Involves contraction without movenent | Isometric exercise
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| Shortens muscle and brings about movement | Concentric contraction
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| Lengthens muscle | Eccentric contraction
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| What energy sources do we need for muscle contraction? | ATP (direct source)
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| What energy source is most abundant? | Glycogen
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| What two sources provide O2 to the muscles and what do they have in common? | Hemoglobin in RBCs
Myoglobin in Muscle
both contain Iron
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| Muscle fibers may literally run out of oxygen? strenuous exercise oxygen used up | Oxygen debt
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| Where does the patellar tendon/quad tendon inserts. | Tibial Tuberosity
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| Name the muscles that do hip adduction? | Pectineus,Adductor Magnus,Adductor Longus, Adductor Brevis,Gracilis
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| Name the muscles that do elbow flexion ? | Biceps Palm up, Brachialis Palm down,
Brachioradialis Thumb up
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| Name the muscles that make up the quadriceps? | Rectus Femoris,Vastus lateralis,Vastus medialis,Vastus intermedius
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| Identify four muscles that make up the hamstring? | biceps femoris long head and short head, semitendinosus, semimembranosus,
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| What are the 4 muscles of the rotator cuff? | Supraspinatus, Infraspinatus
Teres Minor, Subscapularis
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| Extend Hip and Flex Knee | Hamstings
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| Extend Knee | Quadriceps
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| Abduction of shoulder | Supraspinatus
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| Lateral Rotation | Infraspinatus, Teres Minor
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| Medial Rotation | Subscapularis
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| Attaches to calcaneous | Achillis Tendon
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| 2 joint muscles, crosses Knee and ankle | Gastocnemius
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| Crosses ankle | Soleus
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| Tippy Toe, planter flexion | Gastocnemius, Soleus
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| Hip extender | Gluteus Maximus
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| Abduction Hip | Gluteus Medius
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| Flexion Hip and Knee, crosses legs | Sartorius
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| Flexion Hip Extends Knee | Rectus Femoris
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| Prime hip flexor | Iliopsoas
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| Adduction of the thigh | Adductor longus, Adductor Brevis, Adductor Magnus, Gracilis, Pectineus
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| Flexes the trunk, compresses abdomen | Rectus abdominis
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| This muscle is a common injection site | Deltoid
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| Deltoid has three different sections. | Anterior-Flexion
Middle-Abduction
posterior-Extension
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| Flexes the proximal and middle phalanges | Flexor Digitorum Superficialis
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| Flexes the proximal, middle, and distal phlanges | Flexor Digitorum Profundus
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| Known as the trumpet muscle | Buccinator
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| Closes the eyes | Orbicularis Oculi
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| Puckers lips | Orbicularis Oris
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| Attaches mandible, raises the lower jaw chewing | Masseter
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| Raises the eyebrows | Frontalis
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| Shoulder Shrug | Trapeizus
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| Dorsal Flexion | Anterior Tibialis
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| Flex trunk and compresses abdomen | Rectus Adominuis
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| Extension of Arm | Triceps
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| Bend flex elbow | Biceps
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| Pulls arm into the body and across the body | Pectoralis Major and Pectoralis Minor
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| At rest the sarcolemma is in the state of Polarization where it has a __charge on the outside and a ___ charge on the inside. | Positive Charge Outside
Negative Charge Inside
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| Polarization __ is more abundant outside and __ is more abundant inside the cell | Sodium Na+
Potassium K+
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| A nerve impulse arrives at __ and___ is released and diffuses across the synapse to the sarcolemma. | Axon terminal
Acetylcholine
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| Acetylcholine bonds to acetylcholne receptors and makes the sarcolemma more permeable to __ which rush into the cell | Sodium Ions
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| The sarcolemma Depolarizes,so now sodium is inside the cell giving it a ____charge inside and ____charge outside. | Positive Charge inside
Negative Charge outside
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| Depolarization stimulates the release of __ from the sarcoplasmic reticulum. | Calcium Ions
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| Calcium Ions bond to ___ which shifts it away from the ___ filaments, making___available to bond,form a cross-bridge with myosin. | Troponin
actin,actin
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| ___attaches to the actin filaments and pulls them toward the center of the sarcomere, thus making the sarcomere shorter. | Myosin
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| All of the ____in a muscle fiber shorten and therefore the entire muscle fiber contracts. | Sarcomere
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| ____ is required to break the myosin-actin cross-bridge | ATP
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| Repolarization occurs with the ____ of the muscle. | relaxation
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| When the ____ is repolarizes it becomes very permeable to ____ which initially rush out of the cell. | Sarcolemma
Potassium Ions
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| The sodium and potassium pumps return ___ outside and _____inside which will restore the charges to ___outside and ___ inside | Sodium outside, Potassium inside
positive negative
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| ___ in the sarcolemma inactivates _____. When there are no further impulses, the muscle fibers will relax and return to its orginal length | Cholinesterase
Acetylcholine
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| With Repolarization ___returned to the ____ | Calcium
Sarcoplasmic reticlum
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Created by:
Alechia1
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