The word "spinae" refers to the plural form of the word "spina," which means "thorn" or "spine." It is commonly used to describe specific bony structures in the human body, such as the spinal column or the spine. Full definition
The prone trunk extension (superman) exercise is an effective exercise and displays very high levels of erector spinae muscle activity when performed with maximum lumbar extension. (strengthandconditioningresearch.com)
Additionally, isolation exercises such as the glute - ham raise and prone leg curl appear to be effective (and in some cases) superior exercises for producing high levels of erector spinae muscle activity compared with some other isolation and compound exercises. (strengthandconditioningresearch.com)
This means that your special needs child with spina bifida for example, will have life insurance coverage for their lifetime and will be able to protect their own family later on. (abramsinc.com)