Anatomy & Cell Biology

Table 1

Showing comparison of findings observed by other authors with the present variation

No.	Author, year of publication	Origin	Insertion	Shape of the muscle belly	Innervation
1	Jones et al. [5], 1997	Deeper surface of FDS	One or several tendons of FDP	54±5% specimens, triangular in 36±4% specimens and voluminous 9±1% specimens	Anterior interosseous nerve
2	Wood et al. [7], 1868	Deeper surface of FDS		Rounded tapering
3	Macalister [9], 1875	Deeper surface of FDS	9 different possible ways into FDP tendons	Slim
4	Le Double [10], 1897	Deeper surface of FDS		Musculotendinous fascicle
5	Parson [11], 1898	Deeper surface of FDS
6	Kida [8], 1988	Coronoid process			Median nerve
7	Bhavya et al. [12], 2016	Coronoid process	One of the tendons of FDP
8	El Domiaty et al. [13], 2008	Pronator teres	Tendon of FDP to index, middle or ring finger
9	Testut [14], 1884			Slender, long
10	Present case report, 2022	Lower third of the anterior surface of the radius, close to the FDP origin	After giving origin to first lumbrical muscle AcMTn got merged with the tendon of FDP for index finger.	Spindle shaped	Anterior interosseous nerve