phalanges key muscke attachments + asoociated fracture

What key muscle attached distal phalanx (Dorsal based)

Terminal extensor tendon (insertion)

What is the associated avulsion/fracture of attached distal phalanx (Dorsal based)?

Mallet finger (bony tendinous avulsion)

What is impaired in mallet finger of distal phalanx (Dorsal based)

Inability to extend the distal interphalangeal joint (extensor lag)

how to treat in mallet finger of distal phalanx (Dorsal based)

Splint in extension for 6-8 weeks

What key muscle attached distal phalanx (volar based)

The flexor digitorum profundus (Insertion)

What is the associated avulsion/fracture of attached distal phalanx (volar based)?

Jersey finger flexor digitorum profundus avulsion

What is impaired in Jersey finger of distal phalanx (volar based)

Can’t flex the Inability to flex the distal interphalangeal joint

How to treat Jersey finger of distal phalanx (volar based)

Surgical repair

What is key muscle attached Middle phalanx (dorsal base)

Central slip of the extensor tendon

What’s the associated avulsion/fracture for middle phalanx (dorsal base)

Boutonnière deformity (central slip disruption)

What injury is seen w middle phalanx (dorsal base)

PIP flexion and DIP Hyperextension

What treatment is seen w middle phalanx (dorsal base)

Splint in proximal interphalangeal joint

What is key muscle attached Middle phalanx (volar base)

Flexor Digitorum Superficialis (insertion)

What’s the associated avulsion/fracture for middle phalanx (dorsal base)

Volar plate avulsion fracture

What injury is seen w middle phalanx (dorsal base)

proximal interphalangeal Hypertension injury

What treatment is seen w middle phalanx (dorsal base)

joint Buddy tapping vs. extension block splinting