Somso Arm - Key - Model A 1-6 
  1	supraspinatus
  2	infraspinatus 
  3	teres major
  4	teres minor
  5	latissimus dorsi
  6	subscapularis
  7	deltoid
  8a	pectoralis major - clavicular head 
  8b	pectoralis major - sternal head
  9a	biceps brachii - long head
  9b	biceps brachii - short head
10a	brachialis
10b	coracobrachialis
11a	triceps brachii -  long head
11b	triceps brachii - lateral head
11c	triceps brachii - medial head
12	pronator teres
13	flexor carpi radialis
14	palmaris longus
15	flexor carpi ulnaris 
16	extensor carpi ulnaris
17a	extensor digitorum
17b	extensor digiti minimi
17c	extensor inicis
18	extensor carpi radialis brevis
19	extensor carpi radialis longus 
20	brachioradialis 
21	extensor pollicis longus tendon
22	extensor pollicis brevis tendon	
23a	abductor policis longus tendon
23b	flexor pollicis longus 
24a	flexor digitorum superficialis
24b	flexor digitorum profundus
25	supinator
87	common flexor tendon 
88	anconeus
89	olecranon of ulna