Popsugar Fitness Arm Exercises At-Home Arm and Shoulder Exercises These Are the 42 Most Effective Exercises For Strong Arms and Sculpted Shoulders 3 June, 2020 by Jenny Sugar View On One Page Photo 5 of 42 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Mountain Climber Start in a traditional push-up starting position — shoulders over hands and weight on just your toes. Bring your right foot forward, bending the knee and putting weight on the ball of your foot. Switch legs, bringing the left knee forward while moving the right leg back. This completes one rep. Previous Next Start Slideshow Arm Exercises