Week 5 Flashcards
Where are base plate and Retainers placed for VO and TRS VC hooks?
Lateral to the proximal surface-10-11 o’clock
Not in the Proximal 1/3 of forearm
Where are base plate and retainers placed for VC hooks?
Lateral to Ulnar surface of socket
If VC hook and hand are to be interchanged what should occur in regards to the retainer?
Two retainer plates must be provided
Where should the crossbar be placed?
Center back of triceps cuff
What angle should the elbow be in when measuring the cable housing?
90 degrees
How much should the housing extend proximally to the crossbar assembly?
1/2 inch
What should not occur on the terminal device due to housing?
Rubbing. Enough length should be provided distally to prevent this/
The cable should not be…
Stretched or
unnecessarily loose
What should occur to the end of the housing?
It should be filed and smoothed
How much housing should be longer proximally and distally to the Teflon?
1/4 inch
What does the liner do?
Prevents friction and premature wearing of the cable
Where should the hanger be attached?
1 1/4inch proximal to the cable housing
Where is the inverted “Y” strap attached for a flexible cuff?
the anteroproximal margins of the triceps pad/cup
Where is the inverted “Y” strap attached for a rigid hand cuff?
Little further anterior compared to the flexible cuff.
Where is the Anterior Suspension strap located?
crosses over the involved side shoulder and through the deltopectoral groove
Where is the Axilla Loop located?
Encircles the shoulder on the sound side
Where is the Control Attachment strap located?
Pass between spine and inferior angle of scapula
How much of the strap material should be left for adjustments on a Control Attachment strap?
8 inches
Where is the Crosspoint or ring located?
2-3 inches distal to C7
0-1/2 inch towards sound side
What is wrong when the patient complains of pinching in the axillary region on the sound side?
Crosspoint of the Figure 8 harness is too close to the sound side
What is wrong when the harness is comfortable, but it is difficult to operate the TD without exaggerated movement?
Crosspoint of Figure 8 harness too close to the sound side
What is wrong when the inverted “Y” strap is digging into the shoulder?
The attachment straps are too tight
Crosspoint of the figure 8 harness is too close to C7
What is wrong when the inverted “Y” suspension strap is sliding off and over the shoulder?
attachment site to the cuff is located too lateral
