The physical therapy world calls this bird dog. The Pilates world calls it spinal balance. Either way, it is a great core (abdominals AND back) strengthener and stabilizer! Move with awareness and intention.
Related workouts
Upper Body with Light Weights
8 Minute Shoulder Series – Light Weights
5 Minute Abs & Back Strengthener
Plank with Knee Taps
Squat Row
On The Floor Fun – Hips, Glutes & Core
Straight Arm & Forearm Plank
Upper Body on the Floor! SMU
Chest Press, Rows & Russian Twists Triplet