Firm
In joints that normally have soft or hard end feel.
Increased muscular tone
Capsular, muscular, ligamentous, and fascial shortening
Soft
Occurs in joints that normally has firm or hard end feel. Feels boggy.
Edema or synovitis
Hard
In a joint that has a soft or firm end feel. A bony grating or bony block usually felt.
Chondromalacia, osteoarthritis, loose bodies in joint, fracture
Empty
No real end feel because pain prevents reaching end of ROM. No resistance felt except for patients protective muscle splinting or spasm
Acute inflammation, bursitis, abscess, fracture