Incidence of Palmaris Longus Muscle Absence in Nigerian Population
Alot has been reported about variation of palmaris longus muscle in journals and conventional textbooks. The incidence of palmaris longus muscle absence among people of the six geo-political zones of Nigeria was evaluated using 600 subjects. 31.25% (187 subjects) lack palmaris longus muscleon either of the forearms. 12.5% (75 subjects) shows unilateral absence and 18.75% (112 subjects) shows bilateral absence. 25% (150) of subjects lacks palmaris longus muscleon their right forearms while 25% also lacks it on their left forearms. 6% (37) shows double tendons of palmaris longus muscleon both forearms. Highest incidence of absence was recorded among people of South-West zone.