Anatomy
What are the 8 carpal bones? (proximal, distal)
What is the total number of bones in the wrist and hand?
27
If a mallet finger is left untreated, what can happen? What does this deformity present as?
Swan neck deformity; PIP in hyperextension, DIP in flexion
What are the three stages of wound healing?
Inflammatory, proliferative, remodeling
Who is Maria's patient-boyfriend?
Mr. C
What muscle tendon is enclosed within its own synovial sheath in the carpal canal?
Flexor pollici longus (FPL)
What are the main actions of the lumbrical muscles?
Flex digits at MP joints and extend IP joints of digits 2-5
In carpal tunnel syndrome, compression of the median nerve in the carpal tunnel affects which hand muscles?
Abductor pollicis brevis, flexor pollicis brevis, and opponens pollicis, lateral 2 lumbricals
What are the colors of the 3 color concept of wound healing?
red, yellow, and black
What position of the hand involves IP extension, wrist extension, thumb extension and MP flexion?
The safe position
What are the 5 terminal branches of the brachial plexus?
The central band of the extensor digitorum tendon inserts on the...
Base of the middle phalanx
What is the name for a distal radius fracture with a volar displacement?
If a nerve is "bruised" or traumatized (not lacerated), how long is the typical recovery process?
6-12 weeks
What are 3 general reasons to use a modality?
Decrease inflammation, promote tissue healing, relieve pain
What is the tendon the travels through Lister's tubercle?
Extensor pollicis longus (EPL)
If a patient has a laceration over the thenar eminence, and he has difficulty opposing his thumb, he most likey damaged what nerve?
Recurrent branch of median nerve
What nerve is commonly compressed at Guyon's canal?
Ulnar nerve
A wound that closes by the biologic process of tissue granulation and epithelialization is referred to as healing by...?
Secondary closure
What are 3 provocative tests for carpal tunnel syndrome?
Phalen's, Tinel's, and Durkan's
What are contents of each extensor compartment?
1 (EPB, APL), 2 (ECRB, ECRL), 3 (EPL), 4 (extensor digitorum, extensor indices), 5 (EDM), 6 (ECU)
What are the borders of the "anatomical snuffbox"?
Ulnar (EPL), Radial (EPB and APL), Proximal (styloid process of radius), Floor (scaphoid and trapezium)
What flexor tendon zone is considered "no mans land"?
Zone II
When is a tendon repair the weakest and why?
2 weeks; curve of tendon healing vs. sutures dissolving (sutures start out strong, then get weaker - tendons start weak, then get stronger)
What are the 6 principles listed in the OT code of ethics?
Beneficence, Nonmaleficence, Autonomy, Justice, Veracity, Fidelity