Thumb Isometrics

ThumbFingerFinger Stability
Written By David Song

THUMB ISOMETRICS

This is a multidirectional strengthening exercise for the thumb muscles. Start by sticking your thumb out of a fist and use your other hand to apply pressure in each direction. Resist the pressure by maintaining an upright thumb and hold for 5 to 7 seconds

Muscles Involved:

  • Intrinsic Muscles - Thenar Eminence

    • Abductor Pollicis Brevis

    • Flexor Pollicis Brevis

    • Opponens Pollicis

  • Extrinsic Muscles

    • Flexor Pollicis Longus

    • Abductor Pollicis Longus

    • Extensor Pollicis Longus

    • Extensor Pollicis Brevis

  • Other Intrinsic Muscles

    • Adductor Pollicis

Related Conditions:

  • Thumb Sprain

  • Gamer’s Thumb / Texter’s Thumb

  • De Quervain’s Tenosynovitis

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Radial Deviations
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Wrist Extensor Stretch