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TUESDAY DEEP DIVE: THE STRETCH
Part 1 introduced the Seated Wrist Flexor Stretch with Elbow Extension and Supination. Today we build the full sequence around it.
A note on why order matters here. The flexor-pronator group is not one muscle. It is a bundle of five that share a common origin on the medial epicondyle, and they run in slightly different directions with slightly different jobs. A single stretch angle reaches some of them well and others barely at all. The sequence below moves through three positions that, taken together, cover the group.
One rule before any of it: none of these should produce tingling, numbness, or electrical sensation into the ring or little finger. If they do, stop and see a clinician. The ulnar nerve runs behind the medial epicondyle and it does not want to be stretched aggressively.
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STRETCH 1: THE FOUNDATION
Seated Wrist Flexor Stretch with Elbow Extension and Supination
Targets: the flexor mass at its origin, in the position of maximum length.
Sit at the edge of a chair, affected arm extended in front, elbow locked straight, palm facing up
With the opposite hand, pull the fingers and palm downward and back toward the floor
Hold 30 seconds, feeling the stretch travel from the wrist toward the inside of the elbow
Release, rotate the forearm slightly further palm-up, repeat
2 rounds per arm
The most common error is letting the elbow soften. A bent elbow shortens the tissue you are trying to reach and turns this into a wrist stretch. Lock it.
STRETCH 2: THE TABLE VERSION
Table-Supported Flexor Stretch with Fingers Reversed
Targets: the same tissue with body weight providing the force rather than the opposite hand, which allows a longer and more controlled hold.
Stand facing a table or sturdy counter at roughly waist height
Place both palms flat on the surface with fingers pointing back toward your body
Keep the elbows straight and the palms in contact with the surface
Slowly shift your weight backward, hinging away from the table, until a stretch is felt along the underside of both forearms
Hold 30 to 45 seconds, breathing normally
2 rounds
This one is bilateral, which is useful for two reasons. It saves time, and it gives you a direct side-to-side comparison. If the affected side stops noticeably earlier than the unaffected side, that gap is a rough progress marker to watch over the coming weeks.
If the full standing version is too intense, do it seated at a dining table with less body weight behind it, or reduce the depth by keeping the hips closer to the table.
STRETCH 3: THE PRONATOR ANGLE
Standing Doorframe Pronator Teres Stretch
Targets: pronator teres specifically — the deepest contributor to medial elbow load and the one the first two stretches reach least well.
Stand beside a doorframe with the affected arm down at your side
Turn the palm fully outward and back, thumb rotating away from the body, so the palm faces behind you
Place the palm flat against the doorframe at hip height, fingers pointing downward and back
Keep the elbow straight and slowly rotate your torso away from the arm
Hold 30 seconds, feeling the stretch high in the forearm near the inside of the elbow
2 rounds per arm
Pronator teres is the muscle that turns the palm downward, and it works on nearly every golf swing and every forehand. It is also the one people almost never stretch, because standard forearm stretching happens with the shoulder in front of the body rather than out to the side. This position is what gets to it.
Go gently. This is the stretch of the three most likely to produce nerve symptoms if pushed hard, because the median nerve passes between the two heads of pronator teres. Mild tension along the forearm is the target. Anything sharp or electrical means back off.
THE SEQUENCING QUESTION
Most people stretch a painful elbow before activity and skip it afterward. For tendinopathy, that is backwards on both counts.
Before golf or tennis:
Do a brief general warm-up — five minutes of walking, arm circles, and easy practice swings at half speed
Hold each stretch no more than 15 seconds, at low intensity
The goal before activity is tissue temperature and blood flow, not length. Long static holds immediately before loading can temporarily reduce force production, which is the opposite of what you want when you are about to grip a club for four hours.
After golf or tennis, and on non-playing days:
This is where the 30 to 45 second holds belong, when the tissue is warm and no performance demand follows
Full sequence: Stretch 1, Stretch 2, Stretch 3, in that order, 2 rounds each
Total time: roughly 8 minutes
Twice daily during active symptom management, once daily during maintenance
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WHAT THE STRETCHES DO AND DO NOT DO
Worth being honest about this. Stretching is supportive work for medial epicondylitis, not the primary intervention. It improves tissue extensibility, reduces the resting tension the tendon origin is asked to tolerate, and makes the loading work more comfortable to perform. It does not remodel degenerated collagen. Only load does that.
If you have limited time and have to choose, choose the loading protocol over the stretching. The ideal is both. The stretching is what makes the loading sustainable.
COMING UP
Part 3 on Thursday covers the loading itself — three progressions from isometric holds through eccentric wrist flexion to combined eccentric flexion with pronation, plus the advancement criteria that tell you when you are ready to move up a level.
Still moving forward,
— The SIM60 Team
simsixty.com · Because slowing down isn't in the plan.
Educational content only. Not medical advice. SIM60 is not a medical provider and does not diagnose or treat any condition. Consult your physician or a licensed physical therapist regarding your specific symptoms before beginning any exercise described here.
SIM60 receives no commissions or affiliate compensation for any equipment referenced. All mentions are for illustration purposes only.
