902 results
Jerk Test for Glenohumeral Joint Posteroinferior Instability

The arm is held at 90 degrees abduction and internal
Jerk Test for Glenohumeral ... if you feel a jerk ... /clunk as the humeral ... /clunk as it returns ... physicalexam #shoulder #msk
Jaw-Jerk Reflex Clonus in ALS

- Neurology Pro - A DDx Tool @ProDdx

#JawJerk #Jaw #Jerk #Reflex #Clonus
Jaw-Jerk Reflex ... #JawJerk #Jaw #Jerk
Jaw Jerk Reflex - Mandibular Clonus

Seen in this patient with ALS

#Jaw #Jerk #JawJerk #Reflex #Mandibular #Clonus
Jaw Jerk Reflex ... with ALS #Jaw #Jerk
Clunk Test for Glenoid Labral Tear

A positive test is seen in the presence of a clunk,
Clunk Test for Glenoid ... presence of a clunk ... #Clunk #Test #Glenoid ... orthopedics #sports #msk
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
with an audible “clunk ... Instability #Wrist #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
: • Triceps Jerk ... C8 • Biceps Jerk ... C6 • Finger Jerk
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
Dorsiflexion Knee Jerk ... Plantarflexion Ankle Jerk
Woltman’s sign on Physical Exam - Hi-Res .mp4 version here: https://www.grepmed.com/images/13248

53-year-old man presented with fatigue and
relaxation of the ankle jerk
Seesaw Nystagmus 

Sawtooth or seesaw nystagmus is an unusual but characteristic type of nystagmus. Typically there
be pendulum or jerk ... The jerk form is
Hand Arthritides - Differential Diagnosis by Location and Features

The Painful Hand!  Wish I would’ve thought
prior to my first MSK ... Diagnosis #Location #MSK