A vertical jump or vertical leap is the act of raising one's center of gravity higher in the vertical plane solely with the use of one's own muscles; it is a measure of how high an individual or athlete can elevate off the ground (jump) from a standstill. Contents.
Tendon excursion takes place as the muscle contracts and the joint rotates. The amount of tendon excursion is related to the amount of the joint rotation. A pulley-type constraint keeps the tendon path close to the bone when the tendon crosses a joint.roper excursion and gliding of the tendon determine the efficiency of this function. Studies of the tendon excursion and gliding based on two simple mechanical concepts have resulted in several significant clinical implications.
Complete tendon excursion data and R 2 values for linear regressions are given in the Supplementary material. Fig. 4. Averaged moment arms of the neck muscles for flexion-extension (A), lateral bending (B) and axial rotation (C) of the cervical spine (gray bars).Results were obtained by averaging moment arms measured using the tendon excursion method for each muscle sub-region across the intervertebral joints spanned by the muscle.he testing apparatus replicated flexionâextension, lateral bending and axial rotation of each individual intervertebral joint in the cervical spine while all other joints were kept immobile.