Analysis on Muscle Forces of Extrinsic Finger Flexors and Extensors in Flexor Movements with sEMG and Ultrasound

Table 2

Experimental fingertip forces and the rigid plate reaction forces (N).

Flexion movements	Fingertip forces	Reaction forces
Action 2	5.7	6.4
Action 3	10.7	12.6
Action 4	15.7	13.7
Action 5	20.7	20.6