10 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
Axillary Nerve Shoulder ... Fingers Abduction T1 Ulnar ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Peroneal Tendon Dislocation after Trauma

The retinaculum is torn leading to dislocation of the tendon, leaving the
Peroneal Tendon ... , leaving the canal ... Dislocation #Trauma #msk ... clinical #video #orthopedics ... #sports #ankle
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... Discharge with orthopedic ... Radiology #XRay #Diagnosis ... Management #Hand #Orthopedics ... #MSK
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Low Ankle Sprain ... injured ligament in ankle ... LowAnkleSprain #Sports ... #MSK #orthopedics ... Grading #Grades #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Diagnosis Framework ... The evaluation should ... audiometry • Patients should ... II ○ Susac’s syndrome ... Noise trauma ○ MS
Calf Muscle Hematoma on POCUS

50 year old male playing tennis felt a pop in his leg.
felt a pop in his ... Diagnosis: “Tennis ... tear vs Peroneus tendon ... clinical #ultrasound #msk ... #orthopedics #sports
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Patellofemoral Syndrome ... Patella (e.g., Tendon ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
joints tend to ... affects the knee hip ... > Stiffness is short-lived ... Comparison #Versus #MSK ... JointDisease #JointPain #Diagnosis
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
presents with a searing ... ECU Subluxation diagnosed ... relevant body parts ... physicalexam #video #Orthopedics ... #Wrist #msk