42 results
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... joint hinge joint ... Hyperextension injury ... #Hand #Orthopedics ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
: Hyperflexion injury ... tender DIP joint ... that is fixed in flexion ... #Hand #Orthopedics ... #MSK
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
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• Extension of wrist ... Small muscles of hand ... at IP joint & flexion ... at DIP joint ... Scissors #Nerve #Injury
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Flexion and adduction ... cervical injury ... #video #physicalexam ... #msk #orthopedics ... #neurology #sports
Boyes' Test - Flexor Digitorum Superficialis Finger Examination

Evaluate the injured finger for flexion.
Inability to flex the
Evaluate the injured ... finger for flexion ... metacarpophalangeal joint ... #hand #PhysicalExam ... #sports #msk #orthopedics
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
passively flex finger ... at PIP 2) Flex ... 3) If PIP flexion ... PhysicalExam #clinical #video ... #msk #PIP
Flexor Digitorum Profundus Test

Isolate the distal interphalangeal joint over the edge of the table and observe
interphalangeal joint ... at this joint to ... at the DIP may ... #clinical #video ... #sports #msk #orthopedics
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Radial Nerve Wrist ... Radial Nerve Fingers ... Nerve Fingers ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Acromioclavicular Joint ... C6 Dorsal Thumb Wrist ... Finger Flexion ... Anterior Medial Thigh Hip ... differential #diagnosis #Neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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onto outstretched hand ... variable gross wrist ... ) • ED Management ... reduction using finger ... #Orthopedics #MSK