The Plantaris Muscle Tendon and Its Relationship with the Achilles Tendinopathy

Table 1

Morphological characteristics of ExP in different types of PM insertion.

PM tendon type ()	Tendon width at the ExP; mean (range) [mm]	Tendon thickness at the ExP; mean (range) [mm]	Distance between ExP and insertion; mean (range) [mm]
Type I (51)	3.73 (2.21–6.82)	1.22 (0.32–2.45)	34.33 (12.05–87.43)
Type II (26)	2.18 (1.12–4.05)	0.89 (0.37–1.73)	33.09 (10.26–61.51)
Type II (8)	2.74 (2.12–4.74)	1.27 (0.74–1.69)	38.67 (8.33–53.42)
Type IV (4)	4.06 (2.84–4.88)	0.72 (0.46–1.04)	54.26 (41.22–73.09)
Type V (21)	3.80 (2.19–6.12)	0.88 (0.32–1.29)	40.24 (20.89–49.68)
Type VI (6)	2.17 (1.27–3.21)	1.04 (0.46–1.76)	22.53 (18.69–33.21)

PM: plantaris muscle; ExP: extension point.