Q-10. Rupture of supra-spinatus manifest as
a) Painful movements
b) Difficulty in initiation of abduction
c) Difficult abduction after 90 degree
d) Flat shoulder
Answer- b
Explanation:
Movement at the shoulder joint: Abduction
Supra-spinatus: 0-15 degree
Deltoid: 15-90 degree
Serratus anterior: 90-180 degree
Upper and lower fibres of trapezius: 90-180 degree