Anterior Surfaces AWAY (Right Handed) - Answer-Position at 12 o'clock (in clinic)
Position from 11 to 1 o'clock (test and textbook)
Posterior Surfaces TOWARD (Right Handed) - Answer-Position at 9 o'clock
Posterior Surfaces AWAY (Right handed) - Answer-Position from 10 to 11 o'clock
Client Head Position in Mandibular Area - Answer-Chin down
Client Head Position in Maxillary Area - Answer-Chin up
Standing Position when Debriding - Answer-- Standing between 8 - 5 o'clock
- When visibility becomes difficult
- When clients who cannot be in a supine position due to medical conditions
- Only for the mandible
Supine - Answer-- Chair is parallel to the floor
- Patient's feet should be even with or slightly higher than the tip of the nose
- Working on maxillary arch
Sub-supine - Answer-- Slightly raised above the parallel position
- Working on the mandibular arch
Musculoskeletal Disorder (MSD) - Answer-Refer to injuries that affect movement and
the body's Musculoskeletal System
Repetitive Strain Injury (RSI) - Answer-A range of painful injuries to areas that's are
caused by overuse or repetitive task
Musculoskeletal Disorder (MSD) occurs when? - Answer-Too much stress is exerted on
a body part, resulting in pain
What causes Musculoskeletal Disorders? - Answer-- Excessive use of small hand
muscles
- Forceful repetitive motions, while maintaining muscles in the same positions during
application of force
- Tight grips
, - Fixed work position
What are the 4 Ergonomic Hazards? - Answer-1. Awkward Postures
2. Static Posture
3. Force
4. Repetitive Movements
Thoracic Outlet Syndrome - Answer-- Painful of the shoulder, hand, and wrist
Causes: Tilting the head forward, hunching the shoulders forward and continuously
reaching overhead
Rotator Cuff Tendinitis - Answer-- Inflammation of the muscle tendon in the shoulder
region
Causes: Holding elbow above waist level and holding the upper arm away from the
body
Pronator Syndrome - Answer-- Disorder of the wrist and hand caused of compression of
the median nerve between the two heads of the Pronator teres muscle
Causes: Holding the lower arm away from the body
Extensor Wad Strain - Answer-- Disorder of the fingers due to injury of the extensor
muscles of the thumb and fingers
Causes: Extending the fingers independently of each other
Carpal Tunnel Syndrome - Answer-- Compression of the median nerve as it passes
between the ligament and the bones and tendons of the wrist
Causes: Poor posture, repeatedly bending the hand up, down, or from side-to-side and
pinch grip on an instrument without resting the muscles
Ulnar Nerve Entrapment - Answer-- A painful disorder of the lower arm and wrist caused
by compression of the ulnar nerve at the wrist
Causes: Bending the hand up, down, or from side-to-side at the wrist and holding the
little finger away from the hand
Tenosynovitis - Answer-- Inflammation of the tendon on the side of the wrist and at the
base of the thumbs
Causes: Hand twisting, forceful grip, bending the hand back or to the side
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