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**Plank**
A core strength exercise involving maintaining a position similar to a push-up, supporting the body with forearms and toes.
**Core strength**
The ability of torso muscles to stabilize the spine and pelvis, crucial for stability and movement efficiency.
**Physical benefits**
Positive effects on the body from physical activity, like improved strength, flexibility, endurance, and overall health.
**Isotonic**
Muscle contraction with changing length, as in traditional weightlifting exercises.
**Isometric**
Muscle contraction with constant length, like holding a static position such as a plank.
**Plyometric moves**
Exercises with explosive movements for power and speed development, often involving jumping.
**Reverse lunge**
Lunge variation stepping backward, engaging different leg and hip muscles.
**90° degrees**
Angle measurement indicating a right angle, common in exercises like knee or elbow bends.
**Muscular strength**
Maximum force muscles can generate in a single effort.
**Hamstrings**
Muscles on the back of the thigh for knee bending and hip extension.
**Endurance**
Muscles' ability for repeated contractions over time without fatigue.
**180° degrees**
Angle measurement indicating a half-circle or straight line.
**Lateral lunge**
Lunge variation stepping sideways, targeting different leg and hip muscles.
**Curtsy lunge**
Lunge variation stepping one leg diagonally behind the other, mimicking a curtsy.
**Pectorals**
Chest muscles for movements like pushing and hugging.
**Deltoids**
Shoulder muscles for abduction, flexion, and extension.
**Triceps**
Muscles on the back of the upper arm for extending the elbow joint.
**Rectus abdominis**
Vertical abdominal muscles on the anterior abdomen wall, known as "abs."
**Abdominis**
Abbreviation for rectus abdominis, the abdominal muscles.
**Gluteus medius**
Muscle on the pelvis outer surface for hip abduction and stabilization.
**Side lunge**
Lunge variation stepping sideways, engaging different leg and hip muscles.
**Cellulite**
Skin condition with a dimpled appearance, influenced by genetics, lifestyle, and body composition, not directly related to exercise.
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