PTMSK- Tendon Injuries of the Hand

The image shows an extensor tendon laceration injury. The location of the injury is described as ________

• Zone 3

• Zone 4

• Zone 5

• Zone 6

Regarding the flexor pulley system of the hand, which of the following is the MOST IMPORTANT and rupture to this would cause "BOWSTRING" action?

• A1

• A2

• A3

• A4

• A5

"Rock climbing" injuries occur at which level of the flexor pulley system?

• A1

• A2

• A3

• A4

• A5

The flexor zone that involves the carpal tunnel area is know as zone _________

• III

• IV

• V

• VI

Which of the following ACCURATELY describes zone of "No Man's Land"?

• From distal to the middle phalanx

• Involved FDP & FDS tendon

• Involves the FDP tendon ONLY

• From middles phalanx to the distal palmar crease

• Involves the carpal tunnel area

"The mechanism of injury is forceful extension of a flexed DIP joint". Which of the following describes the statement above?

• Boxer's finger

• Jersey finger

• Boutonniere deformity

• Mallet finger

Central slip rupture of the extensor mechanism causes the _________.

• medial slip of lateral bands

• central slip of lateral bands

• dorsal slip of lateral bands

• volar slip of lateral bands

Failure to identify disruptions of the central slip of the extensor tendon at the dorsal base of the middle phalanx results in ____________.

• Jersey finger

• Mallet finger

• Boutonniere deformity

• Boxer's finger

"Fight bite" injuries are associated with ___________

• Zone 4 of flexor tendons

• Zone 4 of extensor tendons

• Zone 5 of flexor tendons

• Zone 5 of extensor tendons

The PIP joint of the injured finger is flexed to 90 degrees and held in position against the middle phalanx of the same finger on the opposite hand. The patient is asked to attempt to extend the PIP against the resistance of the opposite finger. The test described above is used to identify __________

• avulsion injury of the FDP

• rupture of the central slip

• rupture of the extensor hood

• avulsion injury of the extensor tendon