. A muscular force-couple occurs when:/2022

. A muscular force-couple occurs when:

  1. ACTIN AND MYOSIN BIND AND SLIDE PAST EACH OTHER
  2. TWO OR MORE MUSCLES CONCURRENTLY PRODUCE FORCE IN THE SAME DIRECTION TO PRODUCE ONE MOVEMENT
  3. ACTIN AND MYOSIN DETACH FROM EACH OTHER
  4. TWO OR MORE MUSCLES CONCURRENTLY PRODUCE FORCE IN DIFFERENT DIRECTIONS TO PRODUCE ONE MOVEMENT