P90X Back & Biceps

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Attempting to install timers in Seconds for iOS should be done through Safari. This is done by tapping the action icon (up arrow out of a box). Other apps may not recognise the file.

Interval Timer Videos

Our most popular timers.

All Interval Timer Videos

Timer Duration: 24:05 Rollover intervals for more details.

Exercises:
  • Warmup
  • Wide Front Pull Ups
  • Rest
  • Lawnmowers
  • Twenty Ones
  • One Arm Cross Body Curl
  • Switch Grip Pull Ups
  • Elbows Out Lawnmowers
  • Standing Bicep Curl
  • One Arm Concentration Curl
  • Corn Cob Pull-up
  • Reverse Grip Bent Over Row
  • Open Arm Curls
  • Static Arm Curls
  • Towel Pull Ups
  • Congdon Locomotive
  • Crouching Cohen Curl
  • One Arm Corkscrew Curl
  • Chin Up
  • Seated Bent Over Back Fly
  • Curl Up/hammer Down
  • Hammer Curl
  • Max Rep Pull Ups
  • Superman
  • In-out Hammer Curls
  • Strip Set Curl 1
  • Strip Set Curl 2
  • Strip Set Curl 3
  • Strip Set Curl 4
  • Cool Down
  • Warmup 3:00
  • Wide Front Pull Ups 0:20
  • Rest 0:15
  • Lawnmowers 0:45
  • Rest 0:15
  • Twenty Ones 0:30
  • Rest 0:15
  • One Arm Cross Body Curl 0:30
  • Rest 0:15
  • Switch Grip Pull Ups 0:20
  • Rest 0:15
  • Elbows Out Lawnmowers 0:45
  • Rest 0:15
  • Standing Bicep Curl 0:20
  • Rest 0:15
  • One Arm Concentration Curl 0:45
  • Rest 0:15
  • Corn Cob Pull Up 0:30
  • Rest 0:15
  • Reverse Grip Bent Over Row 0:20
  • Rest 0:15
  • Open Arm Curls 0:20
  • Rest 0:15
  • Static Arm Curls 0:30
  • Rest 0:15
  • Towel Pull Ups 0:20
  • Rest 0:15
  • Congdon Locomotive 0:35
  • Rest 0:15
  • Crouching Cohen Curl 0:20
  • Rest 0:15
  • One Arm Corkscrew Curl 0:30
  • Rest 0:15
  • Chin Up 0:20
  • Rest 0:15
  • Seated Bent Over Back Fly 0:20
  • Rest 0:15
  • Curl Up/Hammer Down 0:25
  • Rest 0:15
  • Hammer Curl 0:20
  • Rest 0:15
  • Max Rep Pull Ups 0:20
  • Rest 0:15
  • Superman 1:12
  • Rest 0:15
  • In-Out Hammer Curls 0:25
  • Rest 0:15
  • Strip Set Curl 1 0:20
  • Rest 0:15
  • Strip Set Curl 2 0:20
  • Rest 0:15
  • Strip Set Curl 3 0:20
  • Rest 0:15
  • Strip Set Curl 4 0:20
  • Cool Down 2:13

About Interval Timer

Interval Timer is a website that allows users to create HIIT, circuit training, round, tabata or custom timers to share online with their friends or clients.

The website is also allows users of Seconds Pro to share their timers from the app with non-users.

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