Mind Core Fitness
HomeAbout1-2-1 TrainingExercisesBlog
WhatsApp

Exercise library / Core

How to do a side plank clams

CoreBodyweightBeginner

A side plank with a clam — open your top knee while holding the side plank, hitting the glutes and obliques together.

How to do it

  1. 1Set up in a side plank with knees bent
  2. 2Open your top knee like a clam, keeping feet together
  3. 3Close it under control, then repeat

Common mistakes

  • ×Hips rolling backward
  • ×Letting the hips sag toward the floor

Muscles worked

GlutesCoreObliques

Let Core Buddy do the deciding

See the side plank clams and 200+ more inside Core Buddy. It builds and times the whole session for you — every move with a video like this one. Free to download.

Download on the App StoreGet it on Google Play

Try these next

Side plank
CoreBeginner

Side plank

A plank on its side that targets the muscles down your flank. Start on your knees if the full version's a lot…

How to do it →
Side-lying leg lifts
CoreBeginner

Side-lying leg lifts

Lie on your side and lift the top leg — simple, targeted work for the outer hip and glute.

How to do it →
Side plank leg lift
CoreIntermediate

Side plank leg lift

A side plank with the top leg lifting and lowering — adds a glute and balance challenge to the hold.

How to do it →
Mind Core Fitness

Personal training, online coaching, and nutrition guidance. Based in Elgin, Scotland.

Explore

  • Home
  • About
  • 1-2-1 Training
  • Blog

Legal

  • Privacy policy
  • Terms
  • WhatsApp

Social

  • Instagram
  • Facebook
  • TikTok
  • YouTube

© 2026 Mind Core Fitness.