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psio 201 Exam 3 Study 2024 SOLVED 100 CORRECT $14.99   Add to cart

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psio 201 Exam 3 Study 2024 SOLVED 100 CORRECT

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psio 201 Exam 3 Study 2024 SOLVED 100% CORRECT Functions of skeletal muscle skeletal muscle Reverse Muscle Action (RMA) abduction of arm flexion of forearm For joints First class levers Second class levers third class lever For all levers in the middle remember groups of muscles are cove...

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  • March 26, 2024
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  • 2023/2024
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psio 201 Exam 3 Study 2024 SOLVED 100%
CORRECT

1). Functions of skeletal muscle

 Ans: body movement, maintenance of posture, protection and support, heat production


2). Skeletal muscle

 Ans: All is voluntary aka require nervous system input


3). Reverse muscle action (rma)

 Ans: When the insertion is anchored, the origin moves towards the insertion (ex: pull
ups)


4). Abduction of arm

 Ans: Agonist: deltoid
Antagonist: latissimus dorsi
Synergist: supraspinatus
Fixator: trapezius


5). Flexion of forearm

 Ans: Agonist: brachialis
Antagonist: triceps brachii
Synergist: biceps brachii
Fixator: pectoralis minor


6). For joints

 Ans: Lever-rigid bar
fulcrum-fixed point around which the rigid bar (bone) moves


7). First class levers




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,  Ans: Not many examples in human body think scissors

LFE


example of this is hyperextension of the neck


8). Second class levers

 Ans: FLE (not many examples) Think wheelbarrow

example would be calf raises or standing on tip toes


9). Third class lever

 Ans: Most examples in human body think flexing elbow with biceps
FEL
fulcrum then effort then load


10). For all levers in the middle remember

 Ans: FLE



first class fulcrum in middle

second class load in middle

third class effort in middle


11). Groups of muscles are covered by

 Ans: deep fascia


12). The entire muscle is covered by?

 Ans: epimysium


13). A facicle is

 Ans: bundle of muscle fibers




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