Symmetrical soreness that fades within a few days is usually normal. Sharp, one-sided, repeatable, or worsening pain is a warning sign. If discomfort eases as you warm up, keep going. If it sharpens every …

Tendinitis means active tendon inflammation, usually short-lived. Tendinopathy is the broader term for any tendon disorder, including chronic degeneration called tendinosis. Your label matters less than your plan. Progressive loading and strength-based rehab, not …