71 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Mallet Finger Absence ... , the extension ... of the terminal extensor ... : Hyperflexion injury ... immobilize • Splint: Extension
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
Spinal Cord Injury ... C6 Dorsal Thumb Wrist ... Elbow Extension ... Anterior Medial Thigh Hip ... #SpinalCord #Injury
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... Fractures • Extension ... of wrist & MCP ... at DIP joint ... Scissors #Nerve #Injury
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... - injury to the ... lateral extensor ... central band of extensor ... XRay #Radiology #Wrist
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
joint hinge joint ... joint = hinge joint ... Hyperextension injury ... tendon), mallet finger ... reduction • Splint: Finger
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 ... Nerve Fingers ... Median Nerve Fingers ... T1 Ulnar Nerve Hip ... Gluteal Nerve Hip
Elson's Test - Extensor Digitorum Finger Examination

Elson's test evaluates for partial or complete tear of the
Digitorum Finger ... extend at the PIP ... Video via @open_michigan ... #Elsons #Test #Finger ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... Supinator - C5, C6 • Finger ... Horner Syndrome Wrist ... spared in this injury
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... dorsally and no longer ... extension • ... , median nerve injury ... #Orthopedics #Sports
Nuchal Rigidity in Infantile Bacterial Meningitis

Flexion of the neck revealed nuchal rigidity. The patient was unable
unable to lower his ... hypertonic neck extensor ... From - Journal of Pediatrics ... PhysicalExam #Clinical #Video ... #Peds #Pediatrics