mattress with arm slot
Neal's Knowledge: Should You Be High 3/4, Low 3/4 or ...
Albino threw from a high-three-quarters arm slot with a long action through the back, though sometimes his slot raises to virtually overhand.
Do Different Arm Slots = Different Mechanics?
Categorizing pitchers based on their arm slot is easy. But is arm slot the only mechanical difference between these types of deliveries?
Effects of Contralateral Trunk Tilt on Shoulder and Elbow Injury ...
Arm Slot: It’s critical for the pitcher’s arm slot to remain similar to their fastball delivery. An effective slider depends on being hard to distinguish from a fastball.