Table 2 Radiographic degenerative changes of shoulder joint in asymptomatic senior tennis players and controls.

Radiographic changes	SG‐Dom	SG‐Non‐D	CG‐Dom	CG‐nonD
Joint space narrowing	1	0	0	0
Humeral subchondral sclerosis	0	0	0	0
Glenoid subchondral sclerosis	5	0	2	0
Humeral subchondral cysts	1	0	0	0
Glenoid subchondral cysts	3	0	0	0
Osteophytes	1	0	0	1
Humeral flattening	0	0	0	0
Glenoid flattening	0	0	0	0
Posterior humeral displacement	0	0	0	0
Posterior glenoid erosion	0	0	0	0
Acromioclavicular degeneration	10	5	5	2
Subacromial calcification	1	0	0	0
Humeral superior displacement	1	0	0	0

CG, control group; Dom, dominant shoulder; Non‐D, non dominant shoulder; SG, study group.