Q. What is the outcome from nerve transfers to re-animate elbow flexors?
A. Well; in our series it is 7kg or 2/3 the normal side’s force
force distribution.001

A quantitative assessment of the functional recovery of flexion of the elbow after nerve transfer in patients with a brachial plexus injuryT. J. Quick,A. K. Singh, M. Fox, M. Sinisi,A. MacQuillan. Bone Joint Journal 2016;98-B:1517–20.

click here for the full paper- 2016 Quick