Muscles: Outer Vs Deeper

Our muscles wrap around our skeletons in layers, like layers of clothing. In general, the outer muscle layers produce the visible motions of the arms, legs, and trunk, while deeper muscles provide support for joints and internal organs. Contraction of these deep muscles lets us create the stability we need to control our actions. (Location 356)

Outer muscles provide the aesthetics and inner muscles hold everything (guts) in place.

Lower repetition, slower, and higher weight results in greater strength gains

Higher repetition, lower weight, fast movements create endurance type gains. 202212292307

Muscle is supported by tendons and fascia 202301102354