High Level Throwing - New Articles!

[FiveFrameSwing]

Isolating that movement, almost looks like a weight lifting triceps press.

Thank you for the reply.

The tricep is indeed an extensor muscle.

 

[FiveFrameSwing]

From a Google search on "Overhand Throwing Motion" ... Overhand throwing motion - Wikipedia, the free encyclopedia

It helps to view a throw while reading such a description.

The article describes the throw as a cocking, accelerating and releasing. The first clip captures 'cocking'. The second clip captures 'accelerating and releasing'.

 

[Cowdogz]

Looks like Harper's elbows form the much-maligned "upside-down W" that some associate with elbow injuries in baseball pitchers.

 

[rdbass]

Elbow is the 'hand'.
Forearm is the 'bat'.
'turn the barrel'

 

[FiveFrameSwing]

Elbow is the 'hand'.
Forearm is the 'bat'.
'turn the barrel'

By 'hand', I suspect you mean 'wrist'.