The actions of trapezius include  all of the following  except:

The power stroke of myosin head during cross bridge cycling (contraction cycle) causes pulling of thin filaments toward the center of sarcomere.

Rigor mortis, the stiffening of muscles after death occurs because

Saltatory Conduction is possible only in

The ‘origin’ of deltoid is from all of the following sites except:  

Which term describes a somatic motor neuron and all the skeletal muscle fibers it stimulates?  

When the inside of the cell membrane of a neuron becomes less negative or even positive due to an influx of sodium ions, is termed as: 

Which does not decrease in width when the sarcomere shortens?

The origin of the sternocleidomastoid muscle is from the sternum and clavicle, while the insertion is on the _________.

An extensor of the elbow joint is: