Swing Mechanics for Baseball & Softball
Coach Gerald Bautista

Coach Gerald Bautista

Hitting Coach, Aberdeen IronBirds (MLB Draft League) | Former Professional Baseball Player | Son of an MLB Player

Published February 15, 2026

Gerald Bautista spent nine years competing in professional baseball, including time in the Cleveland Guardians organization and independent leagues. Today he serves as the Hitting Coach for the Aberdeen IronBirds of the MLB Draft League — developing the next generation of professional hitters at the highest level of pre-MLB competition. The son of a professional baseball player, Gerald brings a lineage of baseball knowledge alongside his own nine years of professional experience.

Hitting Coach, Aberdeen IronBirds (MLB Draft League) — 9 years professional baseballLinkedIn

Credentials & Experience:

  • Hitting Coach, Aberdeen IronBirds (MLB Draft League)
  • 9 years of professional baseball, including Cleveland Guardians organization
  • Son of a professional baseball player — lifelong baseball education
  • Specializes in swing mechanics, plate approach, and hitter development
Swing Mechanics
11 min read

How to swing analysis app Like a Hitting Coach

You do not need a biomechanics degree. You need a phone, the right camera angles, and a framework for what to look at frame by frame.

Fifteen years ago, video analysis required a $3,000 camera, specialized software, and hours of manual frame stepping. Now the phone in your pocket shoots 240 frames per second. That is more than enough to catch every detail of a swing.

The technology is not the bottleneck anymore. The bottleneck is knowing what to look at. Most parents record their kid's swing, watch it back in slow motion, and think "that looked pretty good" or "something seems off." That is because they do not have a checklist.

Hitting coaches watch video differently. They have specific checkpoints at specific moments in the swing. They are not watching the whole thing as a movie. They are pausing at four or five key frames and checking positions. Knowing the most common swing flaws in youth baseball gives you a checklist to bring to every video session. Here is how to do exactly that.

Setting up the right camera angles

One angle is not enough. Two angles give you a complete picture of the swing. Three angles are ideal if you have the help.

Side view (the most important)

Stand directly to the side of the hitter, belt high, about 15-20 feet away. This angle shows the load, stride length, bat path, and follow-through. If you only record one angle, make it this one.

Behind view (catcher's perspective)

Set up behind the hitter, slightly offset to the open side. This shows hip rotation, shoulder tilt, and how well the barrel stays in the zone through contact. It also reveals whether the hitter is pulling off or staying through the ball.

Front view (pitcher's perspective)

Stand where the pitcher would be, off to one side for safety. This shows how much the front shoulder opens, whether the head drifts, and the overall posture through the swing. Not required but very useful.

Always use slow motion recording. On an iPhone, open the camera app and switch to Slo-Mo (240fps). On Android, look for super slow motion or slow motion mode. Normal video at 30fps misses too much.

The five key frames every coach checks

Stop treating swing video like a movie. Treat it like five photographs. Pause at each of these moments and check the positions listed below.

  1. 1

    The stance (before the pitch)

    Check balance, hand position, posture. Weight should be roughly 60/40 on the back side. Hands near the back shoulder. Slight bend in the knees. Head turned toward the pitcher with both eyes level.

  2. 2

    Peak load (maximum coil)

    The hands have moved slightly back, the front hip has turned in slightly, and weight has loaded onto the back hip. You should see tension between the upper and lower body. The hands and the front foot should be moving in opposite directions.

  3. 3

    Foot strike (front foot lands)

    This is the most telling frame. When the front foot hits the ground, the hands should still be back near the rear shoulder. If the hands have already started forward, that is early unloading. The front leg should be slightly bent, ready to brace and rotate.

  4. 4

    Contact point

    At contact, check the front arm (slightly bent, not fully extended), the back elbow (tucked near the hip, not flared), head position (still, eyes on the ball), and the bat angle relative to the ball. The hips should be almost fully rotated but the shoulders still slightly closed. Understanding weight transfer mechanics will help you evaluate what you see at this frame.

  5. 5

    Extension and follow-through

    Both arms should extend fully after contact. The bat should finish high, wrapping around the body. If the hitter decelerates early or the bat drops after contact, they are not finishing their swing. A complete follow-through means the body fully committed to rotation.

Comparing swings over time

Single swing videos are snapshots. The real power of video analysis comes from comparison. Record swings on day one when you identify a flaw. Record again after two weeks of focused drilling. Put them side by side.

Most free video apps let you do split-screen comparisons. Use the same camera angle, same distance, same pitch location. That way you are comparing apples to apples. Frame-step through both swings together and check the same five key moments.

Keep a simple log. Date, what you worked on, one observation from the video. After a month, you will have a progression chart that shows real, visible improvement. Nothing motivates a young hitter more than seeing their own mechanics get better on screen.

Pro Tip:

Focus on one flaw at a time. If you try to fix the load, the stride, and the bat path all at once, you will overwhelm the player and muddy the video comparison. Pick the biggest issue, drill it for two weeks, then review. If a dropping back shoulder is the culprit, start there since it affects everything downstream.

Free tools versus paid platforms

You do not need to spend money to analyze a swing. Your phone's slow-motion camera and the built-in video player with frame-by-frame scrubbing is enough for 90% of analysis. Pause, check positions, move forward frame by frame.

That said, paid platforms like OnForm, Hudl Technique, and Coach's Eye add useful features. Drawing tools let you overlay lines and angles on the video. Side-by-side comparison is built in. Some platforms let you share clips with a remote coach for feedback.

For most families, start with the free approach. Record in slow motion, scrub through the five key frames, compare over time. If your player is serious about competing at the high school or travel level and you want more detailed analysis, then a paid tool is worth the investment. But the framework matters more than the software.

Common mistakes in DIY analysis

Parents and players make predictable errors when they start analyzing their own swings. Avoid these and you will get far more out of your video sessions.

Watching results instead of mechanics

If the ball went far, the swing must have been good, right? Not necessarily. A bad swing can produce a good result on certain pitches. Judge the swing positions, not where the ball went.

Only filming in games

Game swings are variable because pitch locations and speeds change. For analysis, film controlled swings off the tee or in front toss. That isolates the mechanics from the decision-making.

Copying MLB swings

A 12-year-old does not have the same body as Shohei Ohtani. Comparing your child's swing to a pro creates unrealistic expectations. Compare your kid's swing to their own best swings instead.

Track more than mechanics

The Mind & Muscle app pairs swing development with mental performance tracking. See how confidence, focus and composure connect to on-field results.

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Frequently asked questions

The two most useful angles are directly from the side (perpendicular to the batter) and from behind the pitcher (showing the full swing path from the catchers perspective). The side angle reveals timing, bat path, and body sequencing. The pitcher angle shows barrel path and contact point.\n\nA third useful angle is from directly behind the hitter, which shows hip rotation and shoulder separation. For most purposes, the side angle alone provides 80% of the information a hitting coach needs to identify issues.

Use the slow-motion setting on your phone camera. Most modern phones shoot slow-motion at 120fps or 240fps, which captures swing detail that you cant see at regular speed. Set the phone to landscape orientation and use a tripod or lean it against something stable.\n\nPosition the camera at waist height, about 10-15 feet from the hitter. Too close and you lose context. Too far and you cant see details. Make sure the background provides good contrast so the bat barrel is visible through the entire swing.

Once per week is enough for regular development tracking. Film 5-10 swings off a tee and 5-10 against live pitching or soft toss. More than that and you risk creating a player who is constantly self-analyzing instead of just playing.\n\nIf youre working on a specific mechanical change, filming before and after each practice session during the correction period (usually 2-3 weeks) helps track progress. But once the change is ingrained, go back to weekly check-ins.

Focus on four things in this order: stance and load timing, hip-to-shoulder separation at the start of the swing, bat path through the zone, and finish position. Dont try to fix everything at once, identify the biggest issue and work on that first.\n\nCompare the players swing to their own previous best swings, not to MLB players. Youth players bodies and proportions are different. What looks correct for an adult may not translate to a 12-year-old.

Free apps like Coach's Eye and even the built-in slow-motion on most phones provide 90% of what you need. You can draw lines, compare swings side by side, and measure angles.\n\nPremium apps and sensors like Blast Motion and Diamond Kinetics add quantitative data, such as bat speed, attack angle, and time to contact, which is valuable for serious players. But for most youth players, visual comparison using free tools is sufficient and avoids data overload.

Yes, with guidance. Video review teaches players body awareness and helps them understand the difference between what a swing feels like and what it actually looks like. This self-awareness accelerates mechanical development.\n\nKeep review sessions short, under 5 minutes, and focused on one thing at a time. Always start by pointing out something positive before addressing a correction. Let the player identify issues themselves when possible, as self-discovery sticks better than being told what is wrong.

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