山东大学：《医学生理学 Medical Physiology》课程教学资源（PPT课件讲稿，人体生理学 Human Physiology）Chapter 2 Function of the Cell Section 4 Muscle Contraction

Section 4 Muscle Contraction

Section 4 Muscle Contraction

Classification of the muscle According to the structure: Striated Muscle, Smooth muscle According to the nerve innervation Voluntary Muscle, Involuntary Muscle According to the Function: Skeletal Muscle Cardiac Contraction, Smooth Muscle

3 Classification of the Muscle ➢According to the structure: Striated Muscle, Smooth Muscle ➢According to the nerve innervation: Voluntary Muscle, Involuntary Muscle ➢According to the Function: Skeletal Muscle, Cardiac Contraction, Smooth Muscle

Skeletal muscle Cardiac muscle Smooth muscle

4 Skeletal Muscle Cardiac Muscle Smooth Muscle

I Signal Transmission Through the neuromuscular junction

I Signal Transmission Through the Neuromuscular Junction

Skeletal muscle innervation otor Control Path of action neuron potential Neuromuscular Axon junction Excitation-contraction coupling Myofibril Excitation Motor end plate Calcium a Supporting cell .niggers Synaptic terminal、 Thick-thin filament interaction Mitochondrion mummer Muscle fiber fibe leads to Tension production

6 Skeletal Muscle Innervation