1what is cocontraction
when flexors and extensors work together
2how can we functionally assess the wrist
hygeine
sit-stand
tool use - screwdriver, hammer
opening jars and bottles
typing
3how many degrees of flexion and extension do you need to do hygeine
50 degrees flexion
40 degrees extension
4how many degrees of extesnion do you need for holding utensils, opening jar, pouring
35-4-0 degrees extension
5how many degrees of extension is needed for typing
10 degrees
6how many degrees of wrist extension is need to push up during sit to stand
50-60 degrees of extension
7what plane does the wrist typically function in
diagonal
8what plane does the wrist have the greatest stabilization
diagonal plane
9what is the thumbs importance in hand function
vital structure
opposition of thumb allows for manipulation of objects
10what percent of hand function comes from the thumb
40%
11what are the thumb carpometacarpal motions
CMC flexion
CMC extension
Radial abduction
Palmar abduction
opposition
12what position is the thumb in when holding a cup
palmar abduction
13what type of joint is the thumb CMC joint
saddle joint
14what are the articulation points of the thumb CMC joint
1st metacarpal
trapezium
15With the increased motion of the thumb, what condition are we concerned about? Why?
Arthritis
16what are the borders of the anatomical snuffbox
extensor pollicis longus
abductor pollicis longus and extensor pollicis brevis
17what is the clinical significance of the anatomical snuffbox
scaphoid fracture
18when there is 1lb of force during pinch what is the lbs of force at the thumb CMC
12 lbs
19what is the force during strong grip
250lbs at CMC with strong grip
20long muscles extending to forearm
extrinsic
21small muscles within the hand
intrinsic
22how can we functionally assess the thumb
grasping cups
keys
manipulation of objects
grasp and release
thumbs up
23Name some wrist and hand precautions
HTN
COPD
Cancer
Recent injury: fractures, sprains, strains
New Surgical Procedures: tendon repairs, ORIF
wrist fusions
24Name some wrist and hand contraindications
unstable fractures
deep vein thrombosis
new surgical procedures: tendon repairs, fracture ORIF
new surgical procedures: tendon repairs, ligament repairs
bone metastases
weightbearing restrictions
severe arthritis