Question $3-$ data for lab

When the knee is flexed at $90$ degrees:

Semimembranosus: moment arm $=2\mathrm{.}3cm,$ Force $=1162\mathrm{.}7N$

Semitendinosus: moment arm $=6\mathrm{.}5cm,$ Force $=301\mathrm{.}9N$

Biceps Femoris: moment arm $=2\mathrm{.}6cm,$ Force $=?$

Total Hamstring Torque $=72\mathrm{.}8Nm$

Question #$3$: Knee flexor torque produced by the hamstring muscles $($see powerpoint slides corresponding to question #$3$ and answer the following questions.

a$)$ Using the data provided in the powerpoint, compute the muscle torques produced by the semimembranosus and semitendinosus. $($two separate answers$)$

b$)$ Given the answers from part a and considering the total hamstring muscle torque is $72\mathrm{.}80$ Nm $,$ calculated the force produced by the biceps femoris.