Proper exercise form for bicep and tricep movements is essential in any upper body training routine. It’s the key difference between making progress and wasting your time in the gym. As a nationally certified fitness instructor, I’ve seen a lot of people over the years unknowingly sabotaging their results in the gym with poor form.
Exercise form is one of the topics I talk about and share videos of on my Instagram account @reesewoodsfit (and merely one of the reasons you should be following me on Instagram * wink, wink, nudge, nudge *). Today, we’re going to take a look at some of the most common mistakes in bicep and tricep training and how to fix them to stimulate more effective muscle growth.
Proper Bicep Exercise Form
There are two big form issues when it comes to arm exercises: A) using too much weight and B) an over-reliance on momentum to perform the movement. The two often go hand-in-hand, which can end up putting you at an increased risk of injury (especially the heavier the weight being used).
Swinging weights in a bicep curl is not only hazardous, but it’s also ineffective. If you are swinging the weights, you are wasting your time because you aren’t properly isolating and engaging the biceps. (Which is kind’a the whole point of performing a bicep curl, right?)
If you can’t completely 4-5 reps of a movement with the correct form, you need to lower the weight and try again. You can also try incorporating alternating single arm reps. Find a challenging weight where you are still fighting for the last couple reps, but doing so with good form.
In the first half of the video below, you’ll see my form is outta control. I’m relying on momentum to move the dumbbells and not truly engaging my biceps. In the second half, I’m standing still, keeping my upper arms and elbows stationary, and exhaling as I contract my biceps. After completing a full contraction and squeezing at the top of the movement, I slowly lower the weight back down and squeeze my triceps at the bottom of the movement.
If you’re working with bicep dumbbell curls, a good way to test whether or not you can support a certain amount of weight is to stand with your back flat against a wall and perform several reps. By removing your ability to add any kind of momentum into the movement, you can get a more accurate idea of if you can support that weight with proper form.
There are a lot of ways you can add variation to bicep curls, but none of that will matter if you have poor form. Slow down. Breathe. Don’t be afraid to make adjustments, like lowering the weight or going to single arm reps.
https://www.instagram.com/p/BhHMetNAnbi/
Proper Tricep Exercise Form
Similar to bicep movements, too much weight and momentum are also cardinal sins for tricep isolating exercises. This principle applies to free weights and also other movements and variations with cables and resistance bands. So let’s take a look at some proper and improper tricep form on a cable machine.
In the first portion of the video, I’m swinging through the motions to move the weight, never fully extending or contracting my arm muscles to stimulate my triceps (putting my back at a higher risk of injury). In the second part of the video, I’ve lowered the weight to a load that I can support, am keeping my elbows stationary through the movement, fully extending my arms and squeezing my triceps at the bottom of the extension.
https://www.instagram.com/p/BgDH24xhRNI/
In my experience, two of the biggest reasons people sacrifice form is either to lift a heavier amount of weight or to hurry to the end of their workout faster. The person trying to lift more weight to feel like they’re growing stronger isn’t stimulating proper muscle growth to attain effective strength progression. The person rushing through a workout may feel impatient or uncomfortable in the gym and just wants to get it over with and move on with their day. Both goals are sabotaged by poor form.
Much like a farmer planting crops, you can’t rush through the motions with half-commitment and expect to have much to show for it come harvest time. You don’t have to spend hours in the gym every day to see progress. But you do have to decide to fully commit yourself to give 100% of your best, focused effort in the time you have committed to exercise. Because at the end of the day, you’re only robbing yourself of time, effort and results with poor or hurried form.
Developing your exercise form can feel a little challenging and even humbling at times. It can mean having to slow down and remind yourself to be patient as you spend a little extra time working through your sets. It might mean letting go of your ego and reaching for a lighter, “less impressive” weight. But ultimately, it enables you to move towards real growth and progress.
All writing copyright © 2018 Rachel Elise Weems Woods.



Riah Tarango says
This is such great advice and at the perfect time! I’ve been needing to get back into shape and your guide is a wonderful motivator.
Thank you!
Riah
Reese says
You are super welcome, Riah! There’s no time like the present to start taking better care of yourself!
GLENNY (@glennymah) says
O these are some great tips to keep in mind when you’re doing your workouts! It’s always important to have the proper form!
Reese says
It is so very important!
Heather Tomoyasu (@USJapanFam) says
I definitely got schooled!! I haven’t used weights in ages but I really didn’t know this eeeeek! Thanks!!
Reese says
You should get in the gym and start hitting up the weight section sometime! It’s so great for preserving our bone density as women!
Kam Gale says
Lifting weights is kind of terrifying and intimidating! I am always scared I’ll do something wrong and seriously injure myself (heaven forbid) I love these tips and the video you showed about proper form! Thanks for sharing! xo – Kam
Reese says
Don’t be scared! It can be a little intimidating at first, but lifting weights is so important to our long-term health as women. It’s great for the heart and our bone density!
Maegan says
Perfect timing, as I just started a new arm workout today! Your videos are very helpful for proper form.
Reese says
I’m glad to hear that! And that you’re getting after your fitness goals!
forkwardthinkingfoodinista says
Great fit tips. This makes me motivated to train again and get back in shape xx
Reese says
You should absolutely go for it! I never feel as great and focused in other areas of my life as when I have a consistent exercise routine!
Luci Cook says
Really great tips. I didn’t know that there was an improper or proper way to those forms.
Reese says
They seem simple in theory, but are often more tricky in practice!
Rachel says
This is a good tip about proper form. It is helpful to know exactly how much your bicepts can do, not with your back.
Reese says
Yep, you can put your back and the rest of your body at risk with poor form!
marymakeup says
Some of these are the excises that I normally do during my workout at the gym.
Thanks for sharing your post x
Reese says
I hope that it can help you be even more successful in the gym!
mriveraediblesense says
I’m going to save this for the beginning of the year. My husband and I have really let ourselves go, so it’s time to hit the gym again.
Reese says
You should definitely go for it!
mammabearsays says
love this! form is so important and so many people don’t realize they arent using correct form!
Reese says
That is very true!
Vicky says
This is especially helpful with the new year coming on and so many people as beginning an exercise program. Injuries can be avoided with proper form.
Reese says
Very true! The last thing you want is an injury!
Jackie M. says
Form is everything or else you’re basically doing nothing and can even get hurt! Quality over quantity right?!
Reese says
Absolutely right!
Bianca says
I definitely dont incorporate weight into my workouts enough. Its so good for overall health and even anti aging.