I will have to try the weight/muscle work/training. thx Diagnosis @ 39 yrs old: Dec 2005, IDC, 8cm, Grade 3, R Mastectomy Jan 06, Stage IV, bone mets, ER PR- HER2 , chemo, rads, lymphedema, stacked DIEP Feb 08 Dx 12/21/2005, IDC, 6cm , Stage IV, Grade [community.breastcancer.org]

See Strengthening Exercise Program for Low Back Pain Relief Learn more: Guidelines for Recovering from Low Back Pain Pulled Back Muscle Treatment [spine-health.com]

Low back pain or cramps in the calves can strike you at any moment. Some muscle spasms set in while you are exercising, while others creep up unnoticed until the pain and tension interrupts your daily life. [back2healthsc.com]

Disc Disorders and Muscle Spasms Conditions, such as degenerative disc disease or herniated disc, may cause an acute episode of low back pain. A disc may herniate or bulge and compress a nearby spinal nerve root causing irritation and inflammation. [spineuniverse.com]

References: Acute low back pain. EBSCO DynaMed website. Available at: . Updated November 22, 2013. Accessed November 26, 2013. Bratton RL. Assessment and management of acute low back pain. Am Fam Physician. 1999;60:2299-2309. Chronic low back pain. [cancercarewny.com]

If an episode of low back pain lasts for more than two weeks, the muscles may start to weaken. Since using the muscle hurts, people tend to avoid using them. [abcnews.go.com]

Back spasm is often neglected, considering it to be normal back pain, which often aggravates the problem, making it difficult for the patient to deal with the pain. The problem, if not attended on time, can even restrict the movement of the patient. [lifestyle.iloveindia.com]