The world of fitness often feels dominated by complex jargon and ever-changing trends. For women, navigating this landscape involves not only understanding general exercise science but also recognizing key terms related to physiological differences, hormonal cycles, and specific health priorities. Whether you are lifting weights for the first time, training for a marathon, or focusing on postpartum recovery, an informed vocabulary is your most powerful tool for effective and safe training.

This article serves as a comprehensive glossary and guide, decoding the essential terms of women’s fitness. Mastering this language allows you to move beyond generic advice and customize a training regimen that respects and optimizes your unique biological needs.
Pillar 1: Hormonal and Cyclical Terminology
A fundamental difference in women’s fitness is the influence of the menstrual cycle, which requires understanding how hormones impact strength, energy, and recovery.
1. Follicular Phase
- Definition: The phase spanning from the first day of menstruation up until ovulation (typically days 1–14).
- Fitness Relevance: Estrogen levels are rising, leading to higher pain tolerance and increased strength capacity. This phase is often the best time for High-Intensity Training (HIT), lifting heavier weights, and attempting Personal Records (PRs). The body uses carbohydrates more efficiently for fuel during this time.
2. Luteal Phase
- Definition: The phase spanning from ovulation until the next period (typically days 15–28). Progesterone dominates alongside elevated estrogen.
- Fitness Relevance: Body temperature slightly increases, and the body may retain more fluid. Energy levels can drop, and recovery time may increase. The body shifts to relying more on fat for fuel. This is an ideal time to focus on endurance work, moderate-intensity cardio, stability training, and active recovery, avoiding excessive high-volume lifting.
3. Relative Energy Deficiency in Sport (RED-S)
- Definition: A state of energy deficit caused by high energy expenditure (intense training) and low energy intake (insufficient calories). This condition impairs multiple physiological functions.
- Fitness Relevance: In women, one of the primary signs is Functional Hypothalamic Amenorrhea (FHA)—the loss of menstrual cycles. RED-S severely compromises bone health, immune function, and metabolic rate. It underscores the critical need for proper fueling and resting.
Pillar 2: Core and Pelvic Health Terminology
Women’s fitness often requires specialized attention to the core and pelvic floor, particularly during and after pregnancy. Generic abdominal exercises are often insufficient or even counterproductive.
4. Pelvic Floor
- Definition: A hammock-like group of muscles that stretch across the base of the pelvis, supporting the bladder, uterus, and rectum.
- Fitness Relevance: Weakness or damage can lead to urinary incontinence (leaking during movement like jumping or sneezing) and Pelvic Organ Prolapse (POP). Exercises like Kegels (pelvic floor contractions) are crucial, but complex breathing and proper core engagement during all lifts are equally vital.
5. Diastasis Recti Abdominis (DRA)
- Definition: The separation of the rectus abdominis (the “six-pack” muscles) down the midline linea alba, commonly occurring during pregnancy.
- Fitness Relevance: Traditional ab exercises (like crunches or planks) can worsen the gap and prevent healing. Postpartum recovery requires specialized core exercises focusing on deep transverse abdominis engagement and consultation with a Pelvic Floor Physiotherapist (PT) to safely close the gap.
6. Transverse Abdominis (TVA)
- Definition: The deepest layer of the abdominal wall, wrapping horizontally around the midsection like a corset.
- Fitness Relevance: The TVA is the body’s natural lifting belt and stabilizer. Learning to engage the TVA correctly before initiating a lift (the “brace”) is fundamental for protecting the spine and pelvis, particularly when lifting heavy weights.
Pillar 3: Training and Performance Terminology
While terms like hypertrophy and Compound Lifts apply universally, specific fitness goals often emphasize certain training styles crucial for women’s long-term health.
7. Bone Mineral Density (BMD)
- Definition: A measure of the mineral content (calcium) in bones, indicating bone strength. Women are at a higher risk of osteoporosis (low bone density) post-menopause due to declining estrogen.
- Fitness Relevance: Training must include Weight-Bearing Exercise (walking, running, dancing) and Resistance Training (lifting weights). The stress placed on bones during these activities signals the body to deposit more minerals, directly combatting bone loss.
8. Compound Lifts
- Definition: Exercises that work multiple muscle groups and joints simultaneously (e.g., squats, deadlifts, bench presses, overhead presses).
- Fitness Relevance: These lifts are the most efficient way to build strength, increase metabolism, and enhance BMD. They require proper technique and core stability (TVA engagement) to be performed safely and effectively.
9. Active Recovery
- Definition: Light-intensity movement performed on rest days (e.g., walking, foam rolling, gentle stretching).
- Fitness Relevance: Crucial for managing the demanding training schedule of women, especially during the Luteal Phase. Active recovery increases blood flow to muscles, reduces soreness (DOMS), and speeds up the repair process without adding significant stress.
Conclusion: Informed Training is Empowered Training
Mastering the essential terms of women’s fitness transforms the process from guessing games into a strategic, informed practice. Recognizing the impact of the follicular and luteal phases allows for cyclical training optimization. Prioritizing the health of the pelvic floor and the TVA ensures safe and effective core engagement. Finally, understanding the need for resistance training to support BMD is key to long-term health. By embracing this vocabulary, women can tailor their fitness journey to their physiology, leading to safer, more consistent, and ultimately more successful results.