Most patients receive a surgical date and very little else. Prehabilitation changes that by giving the pre-operative period a structure, a purpose and a measurable direction. This guide walks through what a typical prehabilitation programme looks like week by week, what patients can expect to experience across movement, nutrition and mindset, and how the preparation they do before surgery translates into better outcomes on the other side of it.
Before You Start: Assessment and Baseline
The first step in any well-designed prehabilitation programme is understanding where a patient is starting from. A baseline assessment captures current physical fitness, nutritional status, psychological readiness and any specific risk factors that need to be addressed before surgery. This is not a pass-or-fail evaluation. It is a starting point from which the programme is built.
Physical assessment typically includes measures of aerobic capacity (often using a six-minute walk test or similar functional measure), grip strength, respiratory function and basic mobility. Nutritional screening identifies any deficiencies or areas of concern that need to be addressed. A psychological check-in captures anxiety levels, sleep quality and readiness to engage with the programme. Together, these data points allow the programme to be calibrated appropriately, so patients begin at a realistic level and build progressively toward surgical readiness.
The length of the pre-operative window varies depending on the procedure and urgency. Cancer surgery patients may have six to twelve weeks or more. Elective orthopaedic patients may have a similar window. Emergency or semi-urgent cases may have as little as two to three weeks. Even short windows produce meaningful improvements when the programme is well-designed and consistently followed. According to a network meta-analysis published in ScienceDirect (2025), exercise prehabilitation produced a mean improvement of 62.85 metres in six-minute walk test performance compared to standard care in colorectal surgery patients, and multimodal programmes showed significant reductions in postoperative complications. The evidence for even brief, structured programmes is strong.
Weeks One and Two: Building the Foundation
The first two weeks of prehabilitation focus on establishing habits rather than pushing limits. Patients begin light aerobic activity, typically walking, gentle cycling or swimming at a comfortable pace, on three to five days per week. Resistance exercises are introduced using bodyweight movements or light resistance bands, targeting major muscle groups to begin building the strength reserves that surgery will draw on. Breathing exercises, including diaphragmatic breathing and simple inspiratory muscle training, are introduced from the outset.
Nutritionally, the first two weeks focus on assessment and adjustment. Many patients discover that their protein intake is lower than it needs to be for surgical preparation. Dietary guidance during this phase centres on increasing protein intake to support muscle preservation, correcting any identified micronutrient deficiencies and establishing regular, balanced eating patterns. For patients who have experienced appetite changes due to illness or treatment, this is also the stage where practical strategies for increasing intake without overwhelming the appetite are introduced.
Psychologically, weeks one and two are often characterised by a mix of motivation and anxiety. Patients are engaging actively with their upcoming surgery for the first time in a structured way, which can surface fears that had been pushed aside. Structured mindfulness practice, goal-setting and psychoeducation about what surgery and recovery actually involve begin in these weeks. Understanding what to expect reduces catastrophising and builds the sense of agency that is one of the most powerful psychological resources a patient can have going into surgery.
The weeks before surgery are not dead time. They are the most important preparation time a patient has, and a well-structured prehabilitation programme makes every one of them count.
Weeks Three and Four: Building Momentum
By weeks three and four, most patients are beginning to feel the early effects of their physical programme. Aerobic sessions become slightly longer or more intense as fitness improves. Resistance exercises progress to include more challenging variations or slightly increased load. Breathing exercises become more habitual, and inspiratory muscle training begins to show early improvements in respiratory endurance.
This is often the phase where adherence is most tested. The novelty of the programme has worn off, the surgery still feels some distance away and the immediate rewards of exercise are not always obvious. Research consistently shows that patients who receive regular feedback on their progress and structured support during this middle phase are significantly more likely to complete their programme. According to data from Moorthy et al. (2023), digital prehabilitation programmes maintained weekly compliance rates of 86% over 12 weeks compared to 71% for in-person programmes, with the gap most pronounced in the middle weeks of the programme when drop-off risk is highest.
Nutritional targets are reviewed and adjusted during this phase. Patients who have made good progress on protein intake move on to refining the timing and distribution of meals around exercise sessions. Those who have struggled with dietary changes receive adapted strategies. Sleep quality is monitored, as disrupted sleep in the pre-operative period directly undermines the physical gains of the programme and increases pre-operative anxiety. Addressing sleep as an active part of the prehabilitation programme rather than a side note is a meaningful clinical decision. For a deeper look at why psychological preparation matters so much at this stage, our post on the role of mental health in surgical recovery covers the evidence in detail.
Weeks Five and Six (and Beyond): Surgical Preparation
In the final weeks before surgery, the programme shifts toward maintaining and consolidating the gains made rather than continuing to push for new ones. Aerobic and resistance sessions continue but at a sustainable pace. The focus moves toward ensuring the patient arrives at surgery well-rested, well-nourished and psychologically settled rather than fatigued from pushing too hard.
Nutritional screening is reviewed again in the final weeks to ensure any deficiencies identified at baseline have been addressed. Protein intake and micronutrient status are the priority areas. For patients following an ERAS (Enhanced Recovery After Surgery) pathway, carbohydrate loading in the 24 to 48 hours before surgery is introduced as a specific nutritional strategy supported by strong clinical evidence. Patients are also guided on hydration, pre-operative fasting protocols and what to eat and drink in the days immediately before their operation.
Psychologically, the final two weeks centre on preparing specifically for the surgical experience and the immediate postoperative period. Visualisation techniques, breathing strategies for managing pain and anxiety, and clear information about what the first days after surgery will look and feel like all form part of this phase. Patients who have engaged consistently with the psychological component of their programme consistently report lower preoperative anxiety and better postoperative pain management. Understanding the recovery journey in advance removes a significant portion of the fear that compounds the physical stress of surgery. For a full picture of what the physical preparation during this period involves, see our post on the physical benefits of prehabilitation.
How Clovo Can Help
Amy, Clovo’s AI recovery coach, delivers this entire journey in a single, connected programme personalised to each patient. From baseline assessment through to surgery day, Amy builds a week-by-week plan across movement, nutrition and mindset that adapts in real time as the patient progresses. Daily check-ins capture how the patient is feeling, how their exercise sessions are going and where their nutrition is landing. Amy uses that data to adjust the programme, provide feedback, flag concerns to the clinical team and maintain the engagement that keeps patients on track through the middle weeks when drop-off risk is highest.
CMO Dr Rebecca Hughes MRCS ensures that everything Amy delivers is grounded in current clinical evidence and calibrated appropriately for the full range of surgical patients Clovo supports. CEO Rory Skinner and CTO Dr Matthew Higgs-McCallum have built a platform that makes this level of support accessible to patients regardless of where they live or which hospital they attend. To learn more about how Amy builds and adapts a personalised programme, see how Clovo builds your personalised recovery plan. To understand how Clovo supports patients beyond the physical pillar, visit how Clovo supports mental wellbeing during recovery.
Prehabilitation is not a single intervention. It is a six-week process of deliberate preparation across every dimension that determines surgical outcomes. Patients who engage with it consistently arrive at surgery measurably fitter, better nourished and more psychologically ready than those who do not. That difference compounds through every stage of recovery, from the operating table to discharge and beyond.
| Related Reading |
| What is Prehabilitation? A Complete Guide for Surgical Patients The essential starting point for understanding what prehabilitation is, what it covers and why the pre-operative window is so important. |
| The Physical Benefits of Prehabilitation: Movement, Strength and Stamina A detailed look at what the movement pillar involves and what the evidence shows about the physical gains achievable before surgery. |
| How Clovo Builds Your Personalised Recovery Plan How Amy translates a patient’s baseline assessment into a week-by-week programme that adapts throughout the pre-operative period. |
