Lower motor neuron – HKU E-learning Platform in Clinical Neurosciences

Lower Limb Wasting, Pes Cavus and Clawing of Toes

Byepsuadmin August 19, 2014June 14, 2015

In this photo, there is apparent leg-length discrepancy and wasting of the lower limb muscles – the left side relatively more severe. Typical pes cavus (high-arched foot) are seen on both sides. Clawing of the toes can also be seen. This sign is postulated to be due to a different degree of wasting – the…

Neuromuscular Disorders

Carpal Tunnel Syndrome

Byepsuadmin August 19, 2014June 14, 2015

This patient complained of on and off tingling sensation over the lateral 3 ½ fingers of the right hand. There was wasting of the thenar muscles as noted in this photo. Further testing showed that the thumb abduction and opposition was weak. Tinel’s sign and Phalen’s test was positive. A nerve conduction study was performed,…