Term
Label the BE Fig. 8 Strap [image] [image] |
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Definition
Axilla Loop Cross Point Inverted Y-Strap Anterior Support Strap Triceps Cuff Control Attachment Strap
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Term
Label the AE Fig. 8 Harness [image] [image] |
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Definition
Axilla Loop Cross Point Anterior Support Strap Elbow Lock Control Strap/Elbow Lock Cable Lateral Support Strap Control Attachment Strap Cross Back Strap
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Term
| What is the purpost of a figure 8 harness? |
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Definition
| provide suspension and for operation of theh terminal device or elbow |
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Term
| What is the purpose of a figure 9 harness? |
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Definition
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Term
| What is the purpose of the triceps cuff? |
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Definition
| anchors the cable assembly in the BE harness |
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Term
| How does the function of the anterior support strap differ between the BE system and the AE system? |
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Definition
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Term
| What does the control attachment strap do? |
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Definition
Translates body motion into cable operation |
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Term
| What is the function of the axilla loop? |
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Definition
| anchors the entire system |
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Term
| If a cross point is used on a AE system where is it placed? |
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Definition
| below C7 and slightly to the sound side |
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Term
| What does the elbow lock control cable do? |
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Definition
| opperates the elbow lock on the AE system |
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Term
What is the function of the lateral strap on the AE system? |
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Definition
| main suspesory element of the AE system |
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Term
| When is the term BE appropriate? |
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Definition
| when the amputation is transradial |
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Term
| When is the term AE appropriate? |
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Definition
| when the amputation is transhumeral |
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Term
| How does a body powered harness work? |
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Definition
the harness is used to translate body motions to the terminal device or for elbow operation |
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Term
| What is an external powered device? |
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Definition
| when batteries are used to provide power to either myoelectric or switch controlled systems |
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Term
| How does a myoelectric system work? |
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Definition
| By amplification of EMG signals picked up from electrodes within the socket |
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Term
| How does a switch controlled system work? |
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Definition
| uses and on/off system to initiate the movement |
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Term
| How does a conventional single controlled cable work? |
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Definition
| cable operates one function only |
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Term
| How does a conventional dual controlled cable work? |
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Definition
| the cable operates two functions |
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Term
Which system has greater prehension control, a voluntary opening system or voluntary closing system? |
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Definition
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Term
What motions are utilized by a transhumeral amputee to operate a voluntary closing terminal device? |
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Definition
| flexion of the humerus, protrcation of the scapula |
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Term
What motions are utilized by the transradial amputee to operate a voluntary opening terminal device? |
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Definition
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Term
| What motions are used to activate an elbow lock? |
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Definition
shoulder extension scapular downward rotation adduction |
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Term
| What motions are used to flex the prosthetic elbow? |
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Definition
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Term
Describe a kruenberg amputation, and why is this technique used? |
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Definition
| a technique that was predominately performed on WWI transradial amputees, they would amputate the wrist and separate the radius and ulna to create a distal prehension pattern |
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Term
| What are the levels of amputation that can be performed at the UE |
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Definition
Partial hand wrist disarticulation transradial elbow disarticulation transhumeral
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Term
| What movements are lost with a wrist disarticulation and what will have to be done to correct this loss? |
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Definition
ability for prehension is lost, motions of the hand will have to be duplicated for this Pronation, supination, and radial and ulnar deviaion are also lost
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Term
| What are the different levels of amputation that can be performed at the transradial level? |
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Definition
Long - lower 1/3rd of the arm Average - middle 1/3rd of the arm Short - proximal 1/3rd of the arm The more proximal the ampuation the less pronation and supination maintained |
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Term
| What are some of the major disadvantages to a transhumeral amputation? |
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Definition
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Term
This is an example of what type of amputation? [image] |
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Definition
| shoulder/forequarter amputation |
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