Bodyweight Seated Single Arm Concentration Curl
Bodyweight Seated Single Arm Concentration Curl Exercise Description
The Bodyweight Seated Single Arm Concentration Curl is a manual-resistance variation that replicates the classic concentration curl without external equipment. Seated with the working elbow braced against the inner thigh, you use your opposite hand to provide adjustable resistance through the full range of elbow flexion. This position minimizes shoulder contribution and emphasizes the elbow flexors—primarily the biceps brachii, with assistance from the brachialis and brachioradialis. Supinating the forearm (turning the palm up) as you curl increases biceps involvement while the braced setup helps maintain a neutral spine and steady shoulder. The controlled, single-joint action promotes precise technique and smooth tension during both the lifting and lowering phases.
- Muscle Groups: Biceps
- Target Muscles: Biceps Brachii - Short Head
- Assisting Muscles: Brachialis, Brachioradialis
- Stabilizing Muscles: External Obliques, Longissimus, Rhomboid Major, Transversus Abdominis, Trapezius - Lower Fibers
- Body Area: Upper Body
- Body Parts: Arms, Upper Arms
- Body Surface: Front
- Body Symmetry: Unilateral
- Equipment: Bodyweight
- Exercise Patterns: Pull
- Exercise Type: Strength
- Functional Grouping: Elbow Flexors, Forearm Supinators
- Joint Involvement: Single-joint
- Muscle Location: Inner Bicep
- Movement Direction: Other
- Muscle Position: Anterior
- Gender: Male
How To Do The Bodyweight Seated Single Arm Concentration Curl Exercise
‘- Sit near the front of a sturdy chair or bench; feet flat and slightly wider than hip-width. Keep your spine neutral and chest open.
– Place the working arm’s elbow on the inside of the same-side thigh, just above the knee. Let the arm hang straight with the palm facing in; keep the shoulder down and relaxed.
– Grasp the working wrist or distal forearm with your opposite hand and apply gentle downward pressure to create resistance.
– Curl the hand toward your shoulder against that resistance. As you move, rotate the forearm to a palm-up position; keep the elbow pinned to your thigh.
– Pause briefly near end range without shrugging or leaning. Wrist stays neutral—avoid bending it backward or forward.
– Lower slowly, matching resistance with your opposite hand so the motion remains smooth. Return to near full elbow extension without locking.
– Keep torso still: ribs down, head neutral, and no trunk rotation or bouncing.
– Breathe steadily—exhale as you curl, inhale as you lower.
Bodyweight Seated Single Arm Concentration Curl Tips
‘- Sit near the front of the chair or bench with feet flat and slightly wider than hip-width to create a stable base.
– Keep your spine neutral and chest open throughout the movement.
– Brace the working elbow on the inside of the thigh just above the knee and let the arm hang straight with the palm facing in.
– Keep the working shoulder down and relaxed so the elbow joint does the work.
– Use the opposite hand to apply gentle, adjustable downward pressure on the working wrist or forearm for resistance.
– As you curl, rotate the forearm from palm-in to palm-up and keep the elbow pinned to your thigh.
– Pause briefly near the top without shrugging, leaning, or bending the wrist backward or forward.
– Lower slowly, matching resistance with your opposite hand, and return to near full elbow extension without locking.
– Keep your torso still—ribs down, head neutral, and no trunk rotation or bouncing.
– Breathe steadily, exhaling as you curl up and inhaling as you lower.
Bodyweight Seated Single Arm Concentration Curl Beginner Introduction
The Bodyweight Seated Single Arm Concentration Curl uses only bodyweight and your own hands to challenge one arm at a time. It is performed in a seated position, with the working arm supported against the inside of the leg while the other hand presses against the wrist or forearm to create resistance. This setup centers the movement around the elbow so the arm does most of the work, rather than the shoulder or upper body lending momentum.
Because the palm turns upward as the arm bends, the biceps take on the main effort, with extra contribution from the muscles of the upper arm and forearm. The seated, anchored posture encourages a steady torso, a relaxed shoulder, and a natural back position, helping the movement feel controlled and deliberate. The self-applied resistance can be light or challenging, and the same pressure pattern is used both on the way up and down, promoting smooth motion and consistent tension through the entire bend-and-straighten arc of the elbow.