28 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... • Extension of wrist ... at DIP joint ... #Injury #UpperExtremities ... #diagnosis #neurology
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
Wrist Extension ... Fingers Flexion ... T1 Ulnar Nerve ... Hip Flexion L2 Nerve ... Orthopedics #Neurology #Diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... band of extensor tendon ... to ulnar collateral ... XRay #Radiology #Wrist ... #differential #diagnosis
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
by Nerve Root Levels ... C6 Dorsal Thumb Wrist ... None T1 Ulnar Antecubital ... Anterior Medial Thigh Hip ... #differential #diagnosis
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Nerve Injury ... second and third fingers ... #Nerve #Injury ... #PhysicalExam #clinical ... #video #sports
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... Abduction - C8-T1 (ulnar ... spared in this injury ... Dermatomes #Myotomes #diagnosis
Median Nerve Injury and Anhidrosis
Note dry skin that precisely matches a median nerve distribution (spares ulnar
Median Nerve Injury ... distribution (spares ... ulnar innervated ... nerve or any tendons ... Anhidrosis #Hand #Clinical
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... of the extensor tendons ... Hyperextension injury ... ), mallet finger ... Radiology #XRay #Diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... terminal extensor tendon ... : Hyperflexion injury ... Exam: Swollen and tender ... Radiology #XRay #Diagnosis
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... forearm supination → wrist ... dorsiflexion/finger ... #ULNT2 #ULTT2 #clinical ... #video #physicalexam