1. An exercise designed to strengthen the flexor muscles of the leg
   - leg curl

Type of: leg exercise

• operational
• operational casualty
• operational cell
• operational damage
• operationalism
• operationalist
• operationally
• operations
• operations research
• operative
• operative field
• operatively
• operator
• operator gene
• opercular
• operculate
• operculated
• operculum
• operetta
• operon
• operose
• operoseness
• Opheodrys
• Opheodrys aestivus
• Opheodrys vernalis