Anatomy and supply. The thenar musculature consists of four muscles located on the radial side of the palm. Together they form the 'ball' of the thumb known as the thenar eminence. They originate at different carpal bones and distally attach to the thumb. The thenar muscles are: Abductor pollicis brevis muscle: arises from the tubercles of the scaphoid and trapezium, and from the flexor retinaculum.
Steps. 1  1. Choose the proper time to prune lemon trees. 2  2. Remove all fruit from the tree. 3  3. Prune any branches that are damaged or diseased all the way back to the base.  4. Cut any branches that are smaller than the diameter of a 1  pencil. 5. Prune suckers as they appear at any time.  6. Decide if you want an open, compact, or hedge type tree look.
Seasonal Care. Meyer lemon trees need less water in winter due to low light levels. The less light a tree receives, the longer it stays damp. This also holds true for potted Meyer lemon trees â if the potted tree is placed in an area of low light, it needs less water than a tree placed in full sunlight.Because Meyer lemon trees are designed to go dormant in the winter, you should also refrain from fertilizing them during the winter months.eyer lemon trees (Citrus x meyeri) are an excellent choice for hobby gardeners. These small trees (6 to 10 feet tall), which thrive in U.S. Department of Agriculture hardiness zones 9 to 11, pack a big punch and bear fruit at an earlier age than other comparable lemon trees.