9 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
T1 Ulnar Nerve Hip ... Extension S1 Inferior ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Knee This patient ... and a chronic ACL ... HTO) to correct his ... Sports #Ortho #anterior ... cruciate #ligament #msk
Ultrasound guided arthrocentesis (knee) with a resident.  Same principles apply for all ultrasound guided procedures.
arthrocentesis ... (knee) with a resident ... principles apply for all ... on the needle tip ... #MSK
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Diagnosis and Management ... rotation) • Anterior ... (most common), Anterior ... knee are flexed ... #Diagnosis #Management
Dystocia Maneuvers
1. McRoberts: hyperflexion/adduction of both hips (knees against lateral abdomen) - requires an assistant at
: hyperflexion/adduction ... of both hips (knees ... baby's back, rotate anterior ... Place mom in all-fours ... obstetrics #obgyn #management
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
Lachman Test for ACL ... supine and with the knee ... degrees of flexion, hip ... Lachman #Test #ACL ... #physicalexam #msk
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
, neuropraxia (anterior ... fracture • ED Management ... procedural sedation and reduction ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Diagnosis and Management ... forefoot, ankles, knees ... Uncertain diagnosis or arthrocentesis ... not possible • Ultrasound ... Dual-energy CT → MSU
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
SPONTANEOUS REDUCTION ... Check hip and ankle ... -->>>> LINK TO ACL ... Rapid reduction ... Posterior #Injury #msk