Get muscle annotations
Examples
getMuscleAnnotation("Trapezius")
#> muscle_name body_region sub_region action_primary action_secondary
#> 1 Trapezius trunk back scapular_elevation scapular_retraction
#> nerve spinal_level muscle_type joint_crossed
#> 1 Accessory Nerve (XI) C3-C4 skeletal shoulder
nrow(getMuscleAnnotation()) # the whole muscle table
#> [1] 270