Please assess the completion status of the following clinical trial:

Trial Title: Shamrock Versus Lumbar Ultrasound Trident - Ultrasound Guided Block of the Lumbar Plexus

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Male~* Age ≥ 18 years~* Volunteers who have given their written and oral consent to participate in the study after fully understanding the content and the limitations of the protocol~* Normal healthy volunteer (American Society of Anesthesiology (ASA) Classification I)~Exclusion Criteria:~* Volunteers not able to cooperate for the study~* Volunteers not able to understand Danish~* Daily use of analgesics~* Allergy against the medicines used in the study~* Drug abuse (according to the investigator's judgement)~* Alcohol consumption larger than the recommendations of the Danish National Board of Health~* Volunteers in whom nerve blocks are not possible due to technical reasons~* Volunteers who meet any contraindication for MRI including claustrophobia~* Volunteers who are incompetent, i.e. surrogate consent is not accepted

- Gender: MALE
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: t

Study Arms:
- Shamrock (Type: EXPERIMENTAL): Use of the Shamrock technique to place a lumbar plexus block with injection of 20 mL 2% Lidocaine-adrenaline added gadolinium.
- Lumbar Ultrasound Trident (Type: ACTIVE_COMPARATOR): Use of the Lumbar Ultrasound Trident technique to place a lumbar plexus block with injection of 20 mL 2% lidocaine-adrenaline added gadolinium.

Based on this trial design, predict the completion outcome and termination type (if applicable).