单臂哑铃高位三头肌伸展

A single-arm overhead triceps extension using a dumbbell to target the triceps while engaging shoulder stability.

Instructions:

• Stand tall with feet shoulder-width apart.

• Hold a dumbbell with one hand and lift it overhead, arm fully extended.

• Keep your elbow close to your head and your core tight.

• Lower the dumbbell behind your head by bending at the elbow.

• Press back up to the starting position.

Common mistakes:

• Flaring the elbow out.

• Arching the lower back.

• Using momentum instead of control.