63 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
Thoracodorsal Nerve Elbow ... Musculocutaneous Nerve Elbow ... Nerve Wrist Extension ... Hip Extension S1 Inferior ... #MuscleGroups #MSK
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
Antecubital Fossa Elbow ... C6 Dorsal Thumb Wrist ... Middle Finger Elbow ... Abdominal Reflex L2 Anterior ... Medial Thigh Hip
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Midcarpal Instability ... Intrinsic Midcarpal Instability ... MCI #Midcarpal #Instability ... #Wrist #msk #orthopedics ... #clinical #video
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... • Mexion - C8 (median ... Horner Syndrome Wrist ... Anterior Shoulder
Golfer’s Elbow Test

While supporting the elbow and palpating the medial epicondyle with one hand, the examiner
Golfer’s Elbow Test ... the hand at the wrist ... resists active wrist ... #clinical #video ... #orthopedics #msk
Valgus Stress Test for Ulnar (Medial) Collateral Ligament Stability on Elbow Examination

Ulnar collateral ligament stability can
Test for Ulnar (Medial ... Video via @open_michigan ... Stress #UCL #Ulnar #Medial ... #clinical #video ... #sports #msk #orthopedics
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
multidirectional instability ... applied at the elbow ... PhysicalExam #clinical #video ... #msk #orthopedics
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... review alignment (anterior ... lines), fat pads (anterior ... identified but anterior ... #Orthopedics #MSK
Posteromedial Instability on Knee Exam
This is what a knee with posteromedial instability looks like. Notice the
Posteromedial Instability ... posteromedial instability ... Notice the positive anterior ... PhysicalExam #Injury #MSK ... #clinical #video
Elbow Valgus Stress Test for Medial (Ulnar) Collateral Ligament Stability

While palpating the medial joint line of
Test for Medial ... palpating the medial ... #Stress #Test #Medial ... #clinical #video ... physicalexam #sports #msk