91] Hand Flashcards
Forceful grip how much force through each side
80% through radial side
20% through ulnar side
Functional ROM for MCP flexion
60 deg
Functional ROM for PIP flexion
60 degrees
Functional ROM for DIP flexion
40 degrees
Functional ROM for thumb MCP flexion
20 degrees
How is composite flexion measured?
Measured from tip of finger to distal palmar crease (DPC)
Intrinsic tendon tightness
Restricted PIP mvmt when MCP extended
Extrinsic tendon tightness
Restricted PIP mvmt when MCP flexed
Capsular tightness of hand
Restricted PIP mvmt when MCP flexed and extended
Retinacular ligament tightness
Restricted DIP mvmt when PIP extended
OP for thumb CMC, finger MCP and IP
Slight flexion
CP for thumb CMC
Full opposition
CP for finger MCP
Full flexion
CP for finger IP joint
Full extension
“Table top” tendon glide
Intrinsic plus
Claw hand is what position?
Intrinsic minus
Intrinsic plus position
MCP flexed and IP extend
Intrinsic minus position
MCP hyperextend, IPs flex
Fracture of 5th MC with palmar angulation
Boxers fracture
How much % loss of grip power with boxers fracture?
8% grip power loss
Stenosis tenosynovitis of the first dorsal compartment of the wrist
Dequarvians
Dequarvians affects what two muscles?
EPB and APL
Pain or localized tenderness on the radial side of the wrist aggravated by thumb motion
Dequervians
History of chronic overuse
+ Finkelsteins test
Wet leather sign: crepitus with motion
Dequervians
Pathological thickening of the sheath of the flexor tendon and/or swelling in the tendon itself
Trigger finger
FDS caught at A1 pulley
Pain and “popping” as nodule passes through pulley
Trigger finger
Chronic, systemic inflammatory disease
Bilateral
Rheumatoid arthritis
Ulnar drift
Swan neck
Z deformity of thumb
Deformities of RA
PIP hyperextension, DIP flexion deformity
Swan neck deformity
Rheumatologic disease Extensor terminal tendon injuries Spastic conditions Volar plate laxity Fractures to middle phalanx Generalized ligamentous laxity
Swan neck deformity
Deformity: PIP flexion and DIP hyperextension
Boutonnière deformity
Division, rupture, avulsion, laceration or closed trauma to central extensor tendon
MOI for boutonnière
Dorsal burns, RA, dupuytrens contracture and congenital disease
Boutonnière deformity
Baseball finger
Drop finger
Mallet finger
Traumatically induced loss of active extension of DIP due to disruption of terminal tendon
Mallet finger
MOI for ?: avulsion, rupture, laceration of terminal tendon, fractured base of distal phalanx at tendon insertion
Mallet finger
Thumb UCL sprain is aka
Gamekeepers thumb or skiers thumb
Pain and tenderness over ulnar aspect of MCP joints
Thumb UCL sprain