18 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Pronation - C7, C8 Wrist ... , T1 (median) Reflexes ... Carpal Tunnel Syndrome ... #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
Mytomes - Segmental ... Wrist Extension ... C6 Radial Nerve ... #Mytomes #Innervation ... #Orthopedics #Neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... associated injuries: Carpal ... trapezium, capitate, triquetrum ... fracture, median nerve ... #Carpal #Radiology
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Carpal Tunnel Syndrome ... evaluates for carpal ... Fully flex wrists ... #Carpal #Tunnel ... #Syndrome #Wrist
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Dermatomes and Myotomes ... Reflexes: • ... damage to peroneal nerve ... Narrowing of spinal canal ... #diagnosis #neurology
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Carpal Tunnel Syndrome ... evaluates for carpal ... Fully flex wrists ... #Carpal #Tunnel ... #Syndrome #Wrist
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
Cord Injury by Nerve ... Sensory Motor Reflex ... Flexion Biceps Reflex ... C6 Dorsal Thumb Wrist ... differential #diagnosis #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
threat Cranial Nerves ... direction to the body; wrists ... Arms extended; wrists ... from the body; wrists ... #PhysicalExam #neurology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
it is not all carpal ... • Carpal tunnel ... and thumb do not flex ... sensory exam to carpal ... Anatomy #diagnosis #neurology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
pupillary light reflex ... ) Where: Optic nerve ... due to MS How to test ... swinging light test ... #Defect #RAPD #neurology