ABC30 Action News: A's starter Trevor Cahill scratched with strained muscle in back The surgingOakland Athletics won't have Trevor Cahill on the mound Saturday. The right-hander had been scratched from his scheduled start at Tampa Bay with a rhomboid (upper back) muscle strain. Poor posture can cause neck and back pain; learn how slouching, forward head posture, and muscle imbalance contribute and discover practical, simple fixes.

Understanding the Context

MSN: The medicine cabinet: Ask the Harvard experts: When muscle pain means a strain rather than soreness Q: How can you tell when muscle pain is just soreness versus a muscle strain? A: A muscle strain occurs when muscle fibers are stretched beyond their limits or forced to contract too strongly. You can ... The medicine cabinet: Ask the Harvard experts: When muscle pain means a strain rather than soreness Men's Health on MSN: This chest-supported row builds a bigger back with less strain โ€“ how to master it This chest-supported row builds a bigger back with less strain โ€“ how to master it