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Brachiioradialis

Region

Origin & Insertion

['Origin: Lateral supracondylar ridge of humerus', 'Insertion: Styloid process of radius']

Synergistic Muscles

['Biceps brachii', 'Brachialis']

Joints

['Elbow']

Primary Actions

['Elbow flexion (most effective in mid-pronation)']

Nerve & Spinal Segment

Radial nerve

Brachial plexus; C5–C6

Interesting

Flexes best with neutral wrist. [Moore's]

Reversal of Action

Draw upper arm toward wrist

Common Dysfunctions

Weak neutral grip lifting, lateral forearm pain

How to Stretch

Extend elbow with wrist flexed and pronated.

Trigger Points

How to Strengthen

Neutral grip curls.

Concentric Action

Flex elbow in neutral grip

Applications:

Assists in elbow and wrist synergy; targeted in post-fracture grip recovery

Eccentric Action

Lower weight from hammer curl

Isotonic Action

Hammer curls, lever lifts

Related Conditions

['Radial tunnel syndrome', 'Tennis elbow']

Isometric Action

Hold dumbbell at 90° with neutral wrist

Exercise Ideas

['Hammer curls', 'Reverse curl', 'Cable rope curl']

Related Blogs

Images

Videos

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