34 results
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 ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... #SpinalCord #Injury ... differential #diagnosis #Neurology
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... Lachman Test for ACL Injury ... Lachmans #test #ACL #Knee ... #Injury #Normal ... cruciate #ligament #msk
Winged Scapula on Physical Exam

Caused by injury to the long thoracic nerve

#Winged #Scapula #PhysicalExam #clinical #video
Winged Scapula on ... Exam Caused by injury ... thoracic nerve #Winged ... clinical #video #neurology ... #msk
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 Fingers ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
upper motor neuron injury ... holding the middle finger ... allowing the middle finger ... Reflex #Positive #Abnormal ... clinical #video #neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
common orthopedic injury ... • Colles (90% "dinner ... intra-articular dorsal ... reduction using finger ... #Orthopedics #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... bearing after injury ... injuries - Meniscal injury ... - Synovium - Oral ... differential #diagnosis #msk
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
patient's middle finger ... . 2) Ask the patient ... flexed middle finger ... Reflex #Positive #Abnormal ... clinical #video #neurology
Normal (Negative) Pivot-Shift Test for ACL Knee Injury

Andrew Dold, MD @dr.dold.md

#Pivot #Shift #PivotShift #test #ACL #Knee
Normal (Negative ... Pivot-Shift Test for ACL Knee ... Injury Andrew ... #Injury #ACLTear ... cruciate #ligament #msk
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
• DIP joint hinge ... Hyperextension injury ... tendon), mallet finger ... reduction • Splint: Finger ... #Orthopedics #MSK