Muscle Systems Flashcards Preview

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Flashcards in Muscle Systems Deck (18)
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0
Q

Antagonist

A

Oppose particular movement

1
Q

Prime movers

A

Major force

2
Q

Synergist

A

Add force to movement and assist prime mover

3
Q

Fixators

A

Immobilize bone maintain posture

4
Q

Type of action muscle can preform depends on?

A

Position
Fascicles arrangement
Lever systems

5
Q

Circular arrangement

A

Rings around openings

6
Q

Convergent arrangement

A

Converge toward narrow tendon insertion

7
Q

Parallel arrangement

A

Fascicles parallel to long axis

8
Q

Fusiform arrangement

A

Spindle shaped muscles with parallel fibers

9
Q

Pennate arrangement

A

Short fascicles attach to central tendon

10
Q

Fulcrum

A

Pivot point/articulation

11
Q

Effort

A

Force applied to move resistance, muscle contracting

12
Q

Load

A

resistance moved(bone tissue any weight

13
Q

First class lever

A

L F E
Scissors
Hyper extension of neck

14
Q

Second class lever

A

e l f
Wheel barrow
Plantar Flexion

15
Q

Third class lever

A

F E L
Tweezers
Flexion of forearm

16
Q

Power levers

A

Slow
Little effort
Big load

17
Q

Speed levers

A

Fast
More effort
Small load