12 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... L2, L3, L4 • Ankle ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Peroneal Tendon Dislocation on Ankle Examination

After recurrent ankle sprain.  Dislocation of the peroneal tendons requires
Peroneal Tendon ... Dislocation on Ankle ... peroneal tendons ... #Trauma #msk #clinical ... #physicalexam
Peroneal Tendon Dislocation on Ankle Examination

Dislocation of peroneal tendons in a soccer player after an ankle
Peroneal Tendon ... Dislocation on Ankle ... of peroneal tendons ... #Trauma #msk #clinical ... #physicalexam
Peroneal Tendon Dislocation after Trauma

The retinaculum is torn leading to dislocation of the tendon, leaving the
Peroneal Tendon ... trauma_modern #Peroneal ... #Trauma #msk #clinical ... orthopedics #sports #ankle ... #physicalexam
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
Gluteal Nerve Knee ... Tibial Nerve Knee ... Dorsiflexion L4 Deep Peroneal ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Framework Knee ... fracture - Patellar dislocation ... #differential #diagnosis ... #msk #physicalexam
Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
 • Large volume ofT2-hyperintense fluid
to hypertrophic peroneal ... Differential diagnosis ... tendon subluxation/dislocation ... mri #clinical #Radiology ... #diagnosis #msk
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Specifically, POSTERIOR KNEE ... Common peroneal ... Check hip and ankle ... #Injury #msk #clinical
Extreme Patellofemoral Joint Instability (PFJI)

In this video you can see an extreme rare case of bilateral
acute patellar dislocations ... 7️⃣abnormal Q angle ... Clinical #Video #PhysicalExam ... #Orthopedics #Knee ... #msk
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... tunnel syndrome, peroneal ... #differential #diagnosis ... #lower #extremity ... #msk #physicalexam