Why a warmup is not optional
A pitch is a maximum-effort, high-speed motion, one of the fastest in all of sports. Asking a cold arm to produce it is asking for trouble. The job of a warmup is simple: raise body temperature, get blood flowing, and wake up the small muscles that stabilize the shoulder, so the arm is ready before the first hard throw rather than during it.
The routine, in order
1. Move the whole body (5 to 10 minutes)
Start general and dynamic. A light jog, leg swings, walking lunges, arm circles, and trunk rotations get the heart rate up and the whole body moving. Keep it dynamic, meaning movement rather than long held stretches, because static stretching a cold muscle is not how you prepare to throw.
2. Activate the shoulder (about 5 minutes)
Next, wake up the rotator cuff and the muscles around the shoulder blade with light band work. Programs built for this, like the Thrower's Ten and standard band routines, reliably improve the strength, range of motion, and readiness of the muscles that protect the shoulder and help the arm decelerate.12 A few minutes of band external rotations, pull-aparts, and scapular work is plenty.
3. Build throwing up gradually
Now throw, and start easy. Begin close with relaxed throws and progress distance and intensity step by step. Flat-ground long toss thrown on a line is an excellent way to build up, with one caution: do not crank it to maximum distance as a warmup, because high-arc max-distance throwing loads the arm as much as pitching itself.3 The first pitches off the mound should never be the warmup. By the time your pitcher takes the rubber, the arm should already be loose.
After throwing: recover, do not just ice
The cool-down matters as much as the warmup. The modern emphasis is on active recovery and blood flow, light movement, easy mobility, sleep, and real rest days, rather than reflexively strapping on ice. We cover why in [should pitchers ice their arms](/library/should-pitchers-ice-their-arms). The unglamorous recovery tools, sleep and rest, are the ones that actually rebuild tissue.
Arm care is a daily habit, not a pre-game ritual. The band work and mobility done on off days are what keep the protective muscles strong. But be clear-eyed: no routine cancels out overuse. You cannot warm up or band your way out of too much throwing. See [building a durable arm](/library/building-a-durable-arm).
What to skip
- Cold static stretching before throwing. Save the long held stretches for after, when the muscles are warm.
- Using game warmups as the only prep. The eight warmup pitches on the mound are not a substitute for an actual routine.
- Max-effort throws to get loose. Build up to intensity, do not start there.
- Treating bands as injury insurance. They build readiness and strength; they do not offset a heavy workload.
Education, not a medical diagnosis or treatment plan. If your pitcher has pain, consult a qualified sports-medicine professional.
Originally published on CritchPitch.