25 results
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 ... Wrist Extension ... Tibial Nerve Knee ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... Peripheral Nerve ... OKSign #clinical #video ... #neurology #physicalexam ... #orthopedics #Hand
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
& posterior) and ... interosseous nerve ... brachial artery injury ... II-IV, pending orthopedic ... Humerus #Radiology #XRay
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
& posterior) and ... sail sign or posterior ... II-IV, pending orthopedic ... #Radiology #XRay ... Diagnosis #Management #Orthopedics
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... , neuropraxia (anterior ... interosseous nerve ... ), ligamentous injury ... #Radiology #XRay
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
the nerve of elbow ... the wrist and elbow ... roots via the posterior ... Anatomy #diagnosis #neurology ... #orthopedics
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 ... by Nerve Root Levels ... C6 Dorsal Thumb Wrist ... Abdominal Reflex L2 Anterior ... differential #diagnosis #Neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk ... #sports #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... interosseous nerve ... syndrome, ligamentous injury ... DC with orthopedic ... Ulnar #Radiology #XRay