Nederlands | English | Deutsch | Türkçe | Tiếng Việt

Project Sports

Questions and answers about sports

Weak left arm or really strong.. Help Me understand?

4 min read

Asked by: Sara Lindemann

What does a weakness in the left arm mean?

Causes for weakness in arms include trauma from an injury, repetitive strain injury, nerve damage or compression in the neck or upper back, or blockage in the bloodstreams. Left arm weakness with chest pain may need immediate medical attention.

Why is my left arm so much weaker than my right?

It is a very common thing that people have strength difference between both the body sides, say experts. In fact, it is more uncommon for the bodies to be symmetrical in size and strength on both sides than it is for them to be different. And this is not your fault or the fault of your workout.

When should I worry about left arm weakness?

Sometimes the cause is an injury, compressed nerves or other issues that don’t involve your heart. Be mindful of the other symptoms, and if they last for more than a couple minutes, get emergency help. Weakness in the arms or an inability to raise both arms evenly could be a sign of stroke.

Why is one arm much stronger than the other?

2. Natural Dominance. One of the biggest reasons why one arm might be larger than the other is related to your dominant side. When they are lifting weights, almost everybody is going to develop a weaker side and a stronger side, with the weak arm generally being on the left side for most people.

Is left arm pain a symptom of anxiety?

Anxiety can cause pain in the left arm. If it is due to a panic attack or muscle tension, it is likely to be temporary, but people with anxiety disorders may also experience chronic pain. Anxiety is a treatable condition. A doctor might suggest therapy, medications, or stress management techniques to help.

How do you strengthen your left arm?

5 moves to build up your weaker arm

  1. Flat unilateral dumb-bell press. Reps: 6-8 each arm. Sets: 3. …
  2. Prone 30-degree dumb-bell unilateral row. Reps: 6-8 each arm. …
  3. Unilateral dumb-bell shoulder press. Reps: 6-8 each arm. …
  4. Unilateral neutral grip pull down. Reps: 6-8 each arm. …
  5. Prone 30-degree unilateral reverse fly. Reps: 6-8 each arm.


Why is your non dominant hand weaker?

Contrary to popular belief, hand dominance does not necessarily dictate which hand is stronger than the other. Hand strength relies on hand use, and while hand dominance can be a major contributing factor to hand strength, it is by no means an absolute determinant.

Will muscle imbalance fix itself?

Eventually your muscles will equalize themselves out. Increase the weight or reps for the stronger side once the weaker side is caught up. When it comes to different muscle groups (your back versus your chest for instance), it’s easy to see how much weight you are lifting with each muscle.

What should I do if my left hand is weaker than my right?

Over a period of time. This should start to even out because we won't develop. As quickly on the strong side and will develop at a reasonable rate on this weak.

How do you fix an arm imbalance?

First with that mirror. Last example a lot of us have this rounded shoulder posture right foreign shoulders what does that do for our tricep training if we're dominant with our right side.

What to do if one side is stronger than the other?

Strength Exercises

  1. Bench Press—Single-Arm Dumbbell Row.
  2. Pull-Ups—Single-Arm Vertical Cable Row.
  3. Squats—Single-Leg Split Squats, Pistol Squats, Step-Ups, Lunges.
  4. Deadlifts—Single-Leg Deadlifts.


How do you get rid of muscle imbalance?

5 Ways To Correct Muscle Imbalance

  1. Use unilateral exercises.
  2. Start with the weaker side.
  3. Let the weaker side set your workout volume.
  4. Do additional work on the weaker/smaller side.
  5. Fix the underlying problem i.e. mobility/flexibility.


How do you fix uneven arm strength?

Add a few more reps of every exercise to your weaker side.



To really bulk up your muscles, you can work out your weaker arm more than your stronger one. Try adding 4 to 5 more reps of each exercise to your weaker arm after you’re done. For example, if you did 10 bicep curls on each arm, do 5 extra on your weaker arm.

Why are my arms imbalanced?

A muscle imbalance is a noticeable size or strength discrepancy between muscle groups, such as having a right bicep that’s larger than your left, or a bigger upper body than lower body. The most common causes of muscle imbalances are improper workout programming and poor exercise technique, mobility, and flexibility.