I have used papain with some marinades for goat meat. Personally I do not care much for marinades any more, at least not long ones. For example, I used to marinate chicken overnight with spices and yogurt when making chicken tikka or tandoori chicken.
1 Pain at the base of the spine causes the psoas muscle to shorten and weaken(1,2,3,). 2  80% of Western people will suffer from debilitating backpain some time in their lives(5).  Western style walking (comfortable shoes & flat ground) fails to trigger muscles that stabilize hip joints & lower back.
The root of the spine of the scapula is the most medial part of the scapular spine. The root of the spine is on a level with the tip of the spinous process of the third thoracic vertebra. Left scapula. Animation. Root of spine is shown in red. Position of root of spine (shown in red.) Animation.