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Muscle Test
| Question | Answer |
|---|---|
| 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
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