The push-up hold is a challenging variation of the classic exercise with the same name. The holding will improve upper body strength and core stability.
Calisthenics: What It Is and How to Start
Special Agent Physical Requirements
Guide: The Proper Bodyweight Push Up Technique
Push Up Holds Redefining Strength
Handstand guide for Complete Beginners - 3 steps — BERG MOVEMENT
Mastering Your Push-Up — The Body Shop
The 30-Day Push-Up Challenge to Strengthen Your Upper Body and Core
Which muscles do pushups work?: Pictures and guide
How To Do Push-Ups, Correct Form Every Time
How to Do a Perfect Push Up Form Guide - Best Chest Workouts
10 Press-Up Variations + Our Guide to Perfect Press-Ups