**Subjective:**
- Patient presents with complaints of lower back pain and radiating pain down the left leg.
- Pain started 2 weeks ago, constant ache with sharp, shooting pains. Located in the lumbar region, radiating down the posterior aspect of the left leg to the foot.
- Pain is worsened by prolonged sitting and bending. Relieved by lying down and using a lumbar support.
- Symptoms have gradually worsened over the past two weeks.
- No previous episodes of similar pain.
- Pain limits ability to sit for more than 30 minutes, affecting work and leisure activities.
- Associated symptoms include tingling and numbness in the left foot.
**Past Medical History:**
- Patient reports no significant past medical or surgical history.
- Patient is a non-smoker and drinks alcohol occasionally. Works as a desk-based office worker.
- Family history of back pain in father.
- No known exposure history.
- Immunization status up to date.
- No other relevant subjective information.
**Objective:**
- Vitals: BP 130/80, HR 78, RR 16, SpO2 98%.
- Physical examination reveals limited lumbar flexion and extension. Positive straight leg raise test on the left at 45 degrees. Reduced sensation in the L5 dermatome.
- No investigations with results.
**Treatment: **
- Patient performed lumbar stabilization exercises.
- Treatment modalities used: Manual therapy to the lumbar spine and soft tissue mobilization.
- Patient educated on proper posture and body mechanics. Advised to avoid prolonged sitting.
**Assessment:**
- Likely diagnosis: Lumbar radiculopathy secondary to disc herniation.
- Differential diagnosis: Spinal stenosis, facet joint syndrome.
- Analysis of movement patterns: Restricted lumbar range of motion, altered gait pattern.
**Plan:**
- Investigations planned: MRI lumbar spine.
- Treatment planned: Continue with manual therapy, exercises, and education.
- Referral to pain management clinic.