It is known that the spacing between the thick and thin filaments within sarcomeres is by no means constant but varies with pH, sarcomere length, ionic strength, osmotic pressure and whether the muscle is relaxed or in rigor
It is known that the spacing between the thick and thin filamentswithin sarcomeres is by no means constant but varies with pH, sarcomerelength, ionic strength, osmotic pressure and whether the muscleis relaxed or in rigor