left arm with muscle fiber, right arm is skinner; difficult to sleep; injection site strange; pain on the shoulder and now on my neck; skin feel weird; had a leg injury; now pain up and down of my arm; make my arm spatter; mobility strange/control of my arm weird/still cannot hold a cup in my hand more than a few seconds; Back issue; injection site painful for a while/quite painfull; pain on the shoulder and now on my neck; large Lump in upper arm, very sore and tender; Unusual taste; Chest tightness; Arm  began to get weaker; lump on my arm/ some kind of muscular tumor; This spontaneous case was reported by a consumer and describes the occurrence of VACCINATION SITE MOVEMENT IMPAIRMENT (mobility strange/control of my arm weird/still cannot hold a cup in my hand more than a few seconds), VACCINATION SITE MASS (lump on my arm/ some kind of muscular tumor), LIMB DISCOMFORT (left arm with muscle fiber, right arm is skinner), INSOMNIA (difficult to sleep) and VACCINATION COMPLICATION (injection site strange) in a 62-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 053E21A and 014F21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Seafood allergy (Itchy and redness) and Type 2 diabetes mellitus since 2012. Concomitant products included METHOCARBAMOL from 14-Oct-2021 to an unknown date for Back pain.   On 22-Aug-2021 at 10:30 AM, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 19-Sep-2021 at 10:30 AM, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 07-Sep-2021, the patient experienced CHEST DISCOMFORT (Chest tightness) and TASTE DISORDER (Unusual taste). On 07-Sep-2021 at 8:00 AM, the patient experienced VACCINATION SITE HYPERSENSITIVITY (large Lump in upper arm, very sore and tender). In September 2021, the patient experienced VACCINATION SITE MASS (lump on my arm/ some kind of muscular tumor) and MUSCULAR WEAKNESS (Arm  began to get weaker). On an unknown date, the patient experienced VACCINATION SITE MOVEMENT IMPAIRMENT (mobility strange/control of my arm weird/still cannot hold a cup in my hand more than a few seconds), LIMB DISCOMFORT (left arm with muscle fiber, right arm is skinner), INSOMNIA (difficult to sleep), VACCINATION COMPLICATION (injection site strange), NECK PAIN (pain on the shoulder and now on my neck), SKIN DISCOMFORT (skin feel weird), LIMB INJURY (had a leg injury), PAIN IN EXTREMITY (now pain up and down of my arm), RASH MACULAR (make my arm spatter), DISCOMFORT (Back issue), VACCINATION SITE PAIN (injection site painful for a while/quite painfull) and ARTHRALGIA (pain on the shoulder and now on my neck). The patient was treated with ACETYLSALICYLIC ACID (ASPIRIN 81) for Leg injury, at a dose of 1 dosage form. At the time of the report, VACCINATION SITE MOVEMENT IMPAIRMENT (mobility strange/control of my arm weird/still cannot hold a cup in my hand more than a few seconds), LIMB DISCOMFORT (left arm with muscle fiber, right arm is skinner), INSOMNIA (difficult to sleep), VACCINATION COMPLICATION (injection site strange), NECK PAIN (pain on the shoulder and now on my neck), SKIN DISCOMFORT (skin feel weird), LIMB INJURY (had a leg injury), PAIN IN EXTREMITY (now pain up and down of my arm), RASH MACULAR (make my arm spatter), CHEST DISCOMFORT (Chest tightness), DISCOMFORT (Back issue), MUSCULAR WEAKNESS (Arm  began to get weaker), TASTE DISORDER (Unusual taste), VACCINATION SITE PAIN (injection site painful for a while/quite painfull) and ARTHRALGIA (pain on the shoulder and now on my neck) outcome was unknown and VACCINATION SITE MASS (lump on my arm/ some kind of muscular tumor) and VACCINATION SITE HYPERSENSITIVITY (large Lump in upper arm, very sore and tender) had not resolved.            The patient did not have any prior history of allergy/hypersensitivity reactions to vaccine or experience anaphylaxis, hypersensitivity reaction, hives/urticaria, asthma and hay fever. He also did not have acute illness at the time of vaccination and up to one month before vaccination.  The patient stated that, he has been on medical leave from work since mid-July. He stated his worker's camp has been very slow to help with his back issue and hence insurance was lapsed, and he was not able to see a Doctor for his back nor for physical therapy. He further stated that, about two weeks after receiving first vaccine, the soreness began in his arm and began to get weaker; he still could not hold a cup of in his hand more than a few seconds. This strange lump appeared on his arm around the same time and was quite painful. He stated that, he would get periods in a day of a sharp pain from his shoulder down to arm and sometimes the pain goes into his neck and chest.   Treatment medication included muscle relaxers.   Most recent FOLLOW-UP information incorporated above includes: On 07-Dec-2021: Follow-up information received includes reporter details, patient details, event details, suspect vaccine details, vaccine facility information details, patient medical history, new events added, concomitant medication added, and inarrative supplement were updated.