00:02
Hello students, let us answer these multiple questions one by one.
00:06
The answer for question i, terrace major and terrace minor are antagonistic because they have opposite actions.
00:17
Because they have opposite actions.
00:22
The terrace major helps in internal rotation of the arm.
00:27
It helps in internal rotation of the arm while the terrace minor helps in external rotation.
00:40
External rotation.
00:42
Therefore they are antagonistic.
00:47
The prime mover of abduction of the humerus is the deltoid muscle.
00:55
It is the deltoid muscle.
00:58
The muscle that initiates abduction from 0 to 15 degrees is the supraspinatus.
01:07
It is the supraspinatus muscle.
01:12
Therefore this is the answer for question k.
01:19
The medial rotators of the humerus includes the subscapularis, the subscapularis and pectoralis major muscle and pectoralis major muscles...