Muscles and Movement

Figure 29.14 Organization of skeletal muscle from macro- to microscopic levels

Figure 29.17 The roles of the muscle fiber’s sarcoplasmic reticulum and T tubules in contraction

Fig. 29.15. Contractile filaments and the sarcomere.

The structure of skeletal muscle

Figure 49.32 The sliding-filament model of muscle contraction

Figure 48.9 The role of voltage-gated ion channels in the action potential (Layer 5)

Figure 48.10 Propagation of the action potential

Temporal summation of muscle cell contractions

Motor units in a vertebrate muscle

Figure 49.38x Motor units in a vertebrate muscle

Figure 49.30 The cooperation of muscles and skeletons in movement