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Muscle Test

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