b) Your head, your gaze! What the FRICK are you doing? If it was a real stroke, how the heck could you watch the ball with your head flailing around like that.
**Interesting note: you also do that in multiball which may be why you miss so many shots when you do repetitive block (standard repetition) drills. For shadow strokes, you should be watching yourself in the mirror. In real play you should be watching THE BALL!
b) Your arm, watch the angle from forearm to upper arm. It starts bent to 90° and ends at the exact same angle. Which means you are holding it tight. It should start closer to straight....at least a little closer to straight. It should end more bent than 90°.
a) You end with your elbow a little too far from you.
b) you start with the racket a little to open. You end with the racket even more open than you start. You should start with the racket a hair more closed (turned down) and end with the racket considerably more closed.
But overall, not bad.
Practice shadow strokes in front of a mirror so you can watch and correct as you do.
Heed UPSDC's advice, keep your head and eye movement deliberate (important for the forehand), pay attention to your left arm, and before long you'll be hitting forehands just like Jimmy McClure used to. Remember him, UpSideDownCarl? One of the world's best forehands for his day, a two-time World's Doubles Champion with two different partners, and a mean sidespin forehand topspinner with his McClure autograph hb. Blew former CNE champion Dave Krizman clean off the table in a best two of three tt exhibition in a ballroom at the Indiana University Memorial Student Union back in '60. Best forehand topspin drop shot I ever saw. Only forehand topspin drop shot I ever saw.