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.
Lemon Tree Growing Indoors. Lemons can make excellent houseplants and will be comfortable in a container as long it provides adequate drainage and room for growth. Heights of around 3 to 5 feet tall can be expected for a lemon tree growing indoors. They also prefer well-draining, slightly acidic soil.Keep the soil evenly moist and fertilize as needed. Lemon trees thrive within a normal temperature range of about 70 F. (21 C.) throughout the day and 55 F. (13 C.) at night.hile lemon trees can tolerate a range of soils, including poor soil, most prefer well-drained, slightly acidic soil. Lemon trees should be set slightly higher than ground. Therefore, dig a hole somewhat shallower than the length of the root ball. Place the tree in the hole and replace soil, tamping firmly as you go.