12 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
to Psoas Hip Extension ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
terminal extensor tendon ... tender DIP joint ... #Diagnosis #Management ... #Hand #Orthopedics ... #MSK
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... wrist dorsiflexion/finger ... extensionshoulder ... #Tension #Test ... ULTT2 #clinical #video
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... wrist dorsiflexion/finger ... extensionshoulder ... #Tension #Test ... ULTT1 #clinical #video
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
of the extensor tendon ... of the extensor tendon ... #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
strength of muscle, tendon ... Structural damage to nerves ... #Dislocation #Diagnosis ... signs #symptoms #msk ... #orthopedics #pathophysiology
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
Tendon: Normal ... fibrils of the tendon ... interrogation as it should ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... no longer sitting ... fracture, median nerve ... #XRay #Diagnosis ... #Sports #MSK
Trigger Finger - Stenosing flexor tendon tenosynovitis

There is a change in the slip between the tendon
Stenosing flexor tendon ... slip between the tendon ... due to pulley or tendon ... due to pulley or tendon ... Stenosing #flexor #tendon
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Adjacent bursa • Tendon ... visceral organ or nerve ... e.g., congenital hip ... #Joint #Pain #MSK ... #differential #diagnosis