41 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Flexion Paper - Radial ... Thumb flexion at IP ... index finger at DIP ... Scissors #Nerve #Injury ... UpperExtremities #diagnosis #neurology
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
Interesting knee ... injury in a young ... corner (PLC) of the knee ... #PhysicalExam #Sports ... #Orthopedics #Knee
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Lachman test in ACL Injury ... looseness of the knee ... That causes the ... #Injury #Positive ... #PhysicalExam #Sports
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 Extension C7 Radial ... Wrist Extension C6 Radial ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #Orthopedics #Neurology
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... alignment across the knee ... HTO) to correct his ... #Injury #ACLTear ... #PhysicalExam #Sports
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... alignment across the knee ... HTO) to correct his ... #Injury #ACLTear ... #PhysicalExam #Sports
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 ... Respiration None C5 Radial ... Anterior Medial Thigh Hip ... Femoral Condyle Knee ... differential #diagnosis #Neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathology of the Hip ... Chondrodysplasia Neurologic ... tears of gluteus medius ... Valgus position of knee ... pathophysiology #causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... characteristic "waiter's tip ... spared in this injury ... Dislocation - May cause ... Myotomes #diagnosis #neurology
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 ... Brucellosis - Viruses: HIV ... injuries - Meniscal injury ... #Effusions #causes