22 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Nerve Injury ... #Interosseous #Nerve ... #Peripheral #Injury ... #physicalexam # ... #orthopedics #Hand
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent Causes ... nerve - Neuromuscular ... nerve - Muscle ... #Differential #Neurology ... #Causes #Diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anatomic location of olecranon ... with prominent olecranon ... anterior interosseous nerve ... Radiology #XRay #Diagnosis ... #Management #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
Elbow Flexion ... Elbow Extension ... C7 Radial Nerve ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... Forehead involved = Peripheral ... (2% of facial nerve ... #Differential #Diagnosis ... #neurology #sparing
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
trochlea (age 7), olecranon ... anterior interosseous nerve ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Peripheral Neuropathy ... Elbow extension ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral Causes ... - Vestibular Nerve ... Vestibulocochlear Nerve ... #differential #diagnosis ... #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Peripheral Neuropathy ... external rotation → elbow ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... axillary nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam