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CCC - Levers, Modifications
PTA Fall 2011
14
Other
Undergraduate 1
09/29/2011

Additional Other Flashcards

 


 

Cards

Term
1st class lever
Definition

the axis is central

(i.e. seesaw, nodding your head)

*Think:  balancing

Term
2nd class lever
Definition

the weight is central

(i.e. pushing a wheelbarrow, tiptoeing)

 *Think:  moving weight - power)

Term
3rd class lever
Definition

the force is central

(i.e.opening a screen door,

flexing/extending your elbow)

*Think:  distance/ROM and speed

 

Term
Lever Arm
Definition
the distance from the axis to the point of force
Term
Force Arm
Definition
the distance to the effort force
Term
Resistance Arm
Definition
the distance to the load or resistance
Term

Trendelenburg

(supine)

Definition
Whole bed and body tilted so that feet are elevated and inclined and the head is low.  Used in abdominal surgery and as a treatment for shock.  Should be done if patient has a head injury.
Term

Lithotomy

(supine)

Definition
Hips flexed and abjected, knees flexed, feet supported.  Used in genital tract operations, vaginal hysterectomy, genital and vaginal treatments and examinations.
Term

Semi-Flowler's

(supine)

Definition

Patient lies back with head and trunk elevated

10-20 inches or at an approximately 30-45 degree angle.  Knees may be bent.

Term

Fowler's

(supine)

Definition

Head of bed is elevated 18-20 inches or approximately 45-60 degree angle. 

Knees may be bent.

Term

Sims Position

(sidelying)

Definition
semi-prone usually on the left, with right knee and thigh drawn up and left arm along the back.  Usually used for the administration of enemas and for rectal examination, colonoscopy, and sigmoidoscopy
Term
fulcrum, axis, pivot
Definition
fixed point around which rotation occurs
Term
resistance, load, weight
Definition
force that is opposing the movement
Term
moving, effort, holding force
Definition
force that is causing or attempting to cause the movement; push or pull
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