Updated exerciseData.json (gabrysia694#250)

Added new exercises (v-situps)

Co-authored-by: Gabriela <97764356+gabrysia694@users.noreply.github.com>

src/DB/exerciseData.json

@@ -740,6 +740,29 @@
     "image": "https://www.inspireusafoundation.org/wp-content/uploads/2022/08/barbell-bent-over-row.gif"
   },
   {
+    "exercise": "V-ups(Jackknife situps)",
+    "instructions": [
+      "Lie down on your back on a comfortable mat or surface.",
+      "Fully extend your legs and place your arms straight above your head, hands on the floor.",
+      "Simultaneously lift your upper body and legs off the ground, engaging your core muscles.",
+      "Imagine trying to touch your toes with your hands as you lift, creating a V shape with your body.",
+      "Keep your legs as straight as you can manage, avoiding excessive bending at the knees.",
+      "At the peak of the movement, your body should resemble a V shape, with your torso and legs raised above the ground and your arms extended toward your feet.",
+      "Gradually and under control, lower your upper body and legs back down to the starting position.",
+      "Maintain core engagement and avoid letting your back arch excessively.",
+      "Perform the desired number of repetitions, ensuring proper form and controlled movement throughout.",
+      "Exhale as you lift your body into the V position.",
+      "Inhale as you lower your body back down to the starting position.",
+      "Focus on activating your abdominal muscles to initiate the movement, rather than relying on momentum.",
+      "Keep your neck relaxed and avoid straining it by maintaining a neutral head position.",
+      "If you're new to Jackknife Sit-ups, you can modify the exercise by bending your knees slightly as you lift your legs.",
+      "If you experience any discomfort or pain, stop the exercise and consult a fitness professional or healthcare provider."
+      ],
+    "videoLink": "https://www.youtube.com/watch?v=WTmnP0xIdq8",
+    "gh-name": "bhavaygrg",
+    "image": "https://eunicakes.files.wordpress.com/2016/02/untitled2.png"   
+},
+{
     "exercise": "Arnold Press",
     "instructions": [
       "Sit on a bench with back support, holding dumbbells at shoulder height, palms facing your body and elbows bent.",