Muscles Contraction Flowchart - Edubirdie

University:
University of South Alabama
Course:
BMD 114 | Anatomy and Physiology I
Academic year:

2020
Views:

363

Pages:

1
Author:

Carissa Thomas

Muscles contraction flowchart 1 AP on somatic motor neuron 2 Release of ACh into the synaptic clef 3 Ach will bind to the Ach receptors which are located on the sarcolemma/motor endplate 4 Sodium enters the cytosol 5 There is an AP on the sarcolemma 6 AP will travel down the t-tubule 7 The SR releases Ca+2 8 Ca+2 binds to the troponin 9 The tropomyosin will uncover the myosin binding sites on the actin 10 ATP forms cross bridges between the actin and myosin 11 Power strokes happen (the thick filaments pulls the thin filaments in) 12 Cross bridges break thanks to ATP 13 ATP hydrolysis and activates (Cocks) the myosin head 14 More cross bridges will form 15 The thin and thick filaments slide closer together (sliding filament mechanism)

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