Single Arm Plank
Hold Single Arm Plank with control through full body — build stability and steady breathing in Flexor.
Overview
Single Arm Plank is an intermediate isometric hold on Flexor that engages the triceps, upper back and obliques. An isometric hold to build stability through the body with controlled breathing.
What Single Arm Plank targets
It focuses on the triceps, upper back and obliques, so that's where the work is felt. Work both sides evenly so one doesn't quietly take over.
Why add Single Arm Plank to your routine
Builds stability and control through the triceps, upper back and obliques and the muscles that support them. Done regularly, small comfortable reps add up faster than occasional forced ones.
- Supports flexibility and reduces perceived stiffness when practised consistently.
- Supports overall mobility, coordination, and movement confidence.
- An intermediate-friendly movement you can repeat with no equipment.
Who it's for
It works well once the basics feel comfortable and you want more range or control.
When to do it
Fit it into a warm-up, a cool-down, or a standalone mobility break whenever the area feels tight. Most people spend around 60 seconds on it per side.
Single Arm Plank is a static hold that trains core and joint stability, with emphasis on multiple areas. Work in a comfortable range and avoid sharp pain; slow, steady breathing helps you stay relaxed and controlled.
Setup cue
Start in a strong high plank with hands under shoulders. Engage your core and lift one hand off the floor, extending it out to the side or forward—keep it smooth.
Practice notes
In Flexor, Single Arm Plank is typically prescribed as about 1 min per round, 1 rep, and 1 set. Adjust the dosage to what feels sustainable, breathe steadily, and ease off if anything feels sharp or unsafe.
Guidance
How to perform, tips, mistakes, safety notes, and benefits for Single Arm Plank.
Follow these cues in order. Move with control and stay in a comfortable range.
- Start in a strong high plank with hands under shoulders.
- Engage your core and lift one hand off the floor, extending it out to the side or forward—keep it smooth.
- Hold the position while keeping your body in a straight line, then switch sides.
Cues that help the movement stay smoother and more controlled.
- Keep your pelvis level and avoid letting them twist.
Patterns to watch for so the shape stays clearer.
- Rushing the movement or chasing range instead of staying controlled.
- Letting the lower back arch or the shoulders shrug up toward the ears.
- Holding your breath—use steady breathing to keep tension down.
Keep things comfortable and stop if something feels wrong.
- Stop if you feel sharp pain, numbness, tingling, dizziness, or symptoms that radiate.
- Stay within a comfortable range—aim for mild tension, not pain.
- Move with control; avoid bouncing or jerking into end range.
- If a joint feels unstable or painful, reduce range, slow down, or choose an easier variation.
Why people include this movement in their practice.
- Builds stability and control through the triceps, upper back and obliques and the muscles that support them.
- Supports flexibility and reduces perceived stiffness when practised consistently.
- Supports overall mobility, coordination, and movement confidence.
Similar movements to explore next
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Elbow Plank Leg Lift
Hold Elbow Plank Leg Lift with control through full body — build stability and steady breathing in Flexor.
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Elbow Side Plank Leg Lift
Hold Elbow Side Plank Leg Lift with control through full body — build stability and steady breathing in Flexor.
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Hand Plank Leg Lift
Hold Hand Plank Leg Lift with control through full body — build stability and steady breathing in Flexor.
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Hand Plank
Hold Hand Plank with control through full body — build stability and steady breathing in Flexor.
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Hand Side Plank
Hold Hand Side Plank with control through full body — build stability and steady breathing in Flexor.
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Overhead Tricep
Use Overhead Tricep as a mobility drill for full body to improve range and movement quality in Flexor.
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Elbow Pike
Use Elbow Pike as a mobility drill for full body to improve range and movement quality in Flexor.
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Hand Side Plank Leg Lift
Hold Hand Side Plank Leg Lift with control through full body — build stability and steady breathing in Flexor.
Common questions
Which body areas does Single Arm Plank target?
Single Arm Plank is a movement that mainly targets your triceps, upper back, and obliques. Move within a comfortable range and skip it if it does not feel suitable for you.
Is Single Arm Plank suitable for beginners?
Single Arm Plank is listed as intermediate in Flexor. Choose a smaller range of motion, fewer repetitions, or an easier variation whenever you want more control.
How long should you hold Single Arm Plank?
In Flexor, Single Arm Plank runs for about 1 min per round. Adjust the time to what feels sustainable, breathe steadily, and ease off sooner if anything feels sharp.
How do you do Single Arm Plank?
Single Arm Plank has 3 guided steps. Follow them in order on this page, breathe steadily, and keep the movement smooth and within a comfortable range. Stop if anything feels sharp, unstable, or unsafe for you.
Is this medical advice?
No. Flexor provides general fitness and wellness guidance. It does not diagnose, treat, or prevent medical conditions. Speak with a qualified professional about injuries, persistent pain, or health concerns.
