Juggling and flow arts injure the hand through REPETITION: light props, thousands of throws, catches and wrist rotations per session.
The usual problems are
- forearm tendon pain and tennis elbow from club and ball work,
- thumb-side wrist pain from repeated wrist cocking,
- little-finger-side wrist pain in poi and contact juggling, and
- jammed fingertips from missed catches
Throwing from the forearm, breaking practice into blocks and watching festival-week spikes can help to prevent most of it.
What each prop asks of your hands
- Balls. Low load, very high repetition. An hour of practice is thousands of throws and catches per hand
- Clubs. Heavier, and every spin throw is launched with a wrist flick. Catching the handle at speed loads the forearm muscles
- Rings. Throws launched with a flat wrist and a firm pinch at the rim
- Contact juggling. A heavy acrylic ball rolled over palms and backs of hands, with the wrist and forearm held in end-range twists
- Poi. Continuous wrist circles and forearm rotations against the pull of the tethers
- Staff and diabolo. Finger rolls, wrist rotations, and one dominant hand doing most of the work
- Kendama. Fast, repeated wrist flicks in short bursts
Throw from the forearm. Let the wrist ride along.
What turns up
- Outer elbow and forearm pain after club sessions: tennis elbow
- Thumb-side wrist pain that sharpens with thumb lifting: De Quervain’s
- Pain and squeaky crepitus a few centimeters above the wrist on the thumb side: intersection syndrome, a classic from repeated wrist cocking
- Little-finger-side wrist pain in poi and contact juggling: TFCC injury or ECU tendon irritation
- Aching at the base of the thumb after ring and contact work: thumb base overload
- A fingertip that droops after a club or ball hits its end: mallet finger. Splint it straight and keep it straight
- A swollen finger after a missed catch: jammed finger
- Burns from fire props: hand burns
The changes that make the most difference
- Elbows by your sides, forearms roughly level, and throws driven from the forearm with a relaxed wrist
- Practice in blocks of 20 to 30 minutes, and switch props between blocks so different tissues take the load
- Use lighter props while building new tricks. Heavier contact balls and clubs come later
- Soft hands on club catches. Let the handle travel down with your hand instead of stopping it dead
- Drive poi from the shoulder, with lighter heads while a wrist is sore
- Train the weak hand in short sets. A long weak-hand drill loads a hand that isn’t used to the volume
- Plan festival and convention weeks. Going from an hour a day to eight hours a day for five days is the classic spike
A realistic timeline for forearm and wrist tendon pain
- Weeks 0 to 2: drop the prop that hurts. Keep juggling the ones that don’t, in shorter blocks. Pain during and the next morning at 3 out of 10 or less
- Weeks 2 to 6: forearm tendon loading or De Quervain’s exercises. Reintroduce the painful prop in short sets
- Weeks 6 to 12: full sessions with the block structure in place
- Beyond 3 months: tennis elbow can take months more to settle fully, and many jugglers keep practicing through it on a reduced load
Get it assessed if
- A fingertip that droops and won’t straighten on its own
- A finger that crosses its neighbor when you make a fist after a hit
- Numbness or tingling in any fingers
- Squeaking or grating above the wrist that doesn’t settle with rest
- A wrist that clicks or clunks on the little-finger side
- Six weeks of changes with no improvement
For the splints involved, see the tennis elbow counterforce strap and mallet finger splints.
Short blocks, mixed props, and throws from the forearm.
Every article on this site is written using the Closing Window Method: name the window your condition runs on, find where you are in it, and act while it’s still open.